Part1:口算×= 5÷= += +=+= ×= ÷12= +=Part2:脱式计算×99+25××（）÷×4+÷Part3:解方程4×χ＝χχ＝χ÷＝8 8χ＝4Part1:口算×4＝ +＝÷40＝÷＝+＝ +＝×＝ 310÷50＝脱式计算（+）××20+×[（）÷] ××Part3:解方程χ÷＝χ＝3χχ＝15 6÷30＝χ÷Part1:口算169÷13＝ 90×＝ +＝ 156÷40＝8×＝ +＝ 135÷30＝ +＝Part2:脱式计算+（）÷8 ×+×× 48×Part3:解方程χ＝ ÷4χ÷χ（χχ）÷＝ 4χ＝Part1:口算+ ＝ - ＝ + ＝ + ＝ - ＝+ = + = + = - = + = Part2:脱式计算-（ + ） + ++ + + -（ + ） 2 1 2017 32 31 41 31 61 4 18 5 3 2 5 1 125 12 7 61 85 73 43 65 72 52 85 98 31 92 54 15 11 103 9 2 54 9 25 1 207125Part3:解方程χ+ = χ- =χ- =1 χ- =Part1:口算- = 1- - = + -2= + = + - =- = - = - = + = + = Part2:脱式计算+ + = + -+ - 2- - 1255 4 1 73 43 125 83 65 101 2011 17 2 10 11 2 1 51 21 41 51 15 13 52 7 9 61 53 32 5 4 21 31 21 3 1 41 75 6 5 85 12 5 1513Part3:解方程χ+ χ=28 χ=45χ- = +χ=Part1:口算- = + = + = - = - =- = + = + = - = - = Part2:脱式计算+( - ) - +-( - ) -( + ) 54 12 1 2 15 2 52 1035 46121 65 83 54 32 73 83 8 112 5 4 1 121 21 94 87 61 95 74 52 152 65 73 83 125 31 85 12 7 9892 41 21 12 11Part3:解方程2χ- = χ+ =-χ= χ-( - )=Part1:口算× = ÷ = ÷ = ×30 = + =÷= ×= ×= × ×14= 9-2÷8=Part2:脱式计算（ + + ）×72 （ - ÷ ）×÷[( + )× ] ÷( - )×( - )Part3:解方程103 65 61 31 76 127 41 245 167247 43 65 65 53 61 53 61 152 7331 125 9 1 83 54 41 87 195 65 3 2 43 343 9465 21 65 211 -3χ= 1 ÷4=÷χPart1:口算÷= +1 = 3 += ×8= ÷== - = ÷ = - = ×= Part2:脱式计算9 ×+4 × × + ÷548×( + + ) ( + )×6+Part3:解方程2χ+= χ- χ= 41 127 41 21 5241 54 51 53 76 5443 32 65 41 61 54 76 51 65 63 127 63137 94 21109÷χ= ÷ χ+ χ=42Part1:口算305-199= += += 8÷= ×4=+ = 12÷ = + = ÷ = += Part2:脱式计算11×( + )×7 ×101-9÷25560÷16÷5 6÷ - ÷6Part3:解方程+χ=χ- = 3 2351 31 32 216 5 9 1 5 2 61 4 3 6183 11 2 71 259 7676 94 6 54χ- = ÷χ=7÷Part1:口算+ = = =×=×= × = ÷ = + = - = Part2:脱式计算（ + ）÷ 10÷[ -( ÷ + )]×[ ÷( + )] ÷7+ ×Part3:解方程12÷14=χ÷ χ- =10÷χ= χ÷=3 27 247 87 413 25 26 5 8 3 21 4 9 2 185 92 65 43 83 1514 38 135 265 52 83 98 65 43 114114 76 51Part1:口算= × = + = += +== + = - = - = ÷= Part2:脱式计算24×( + - ) ( + - )×30( + )÷ + 68×解方程 ÷χ=÷ χ- χ-5=18χ+ χ= ÷ = ÷χPart1:口算×50= += ×= ×8=+ = ÷3= × = + = + = Part2:脱式计算÷ + × ÷(1÷ + 4 10 7 119 43 415 3 8 51 1 1165 1 3 4 36 5 32 5 2 61 152 5 44 13 7 23 32 51307 5283 32 32 43 52 43 51 41(736÷16+37 ) ×18 ( + - ) ÷Part3:解方程χ+ χ=66 ÷χ=÷χ- χ- =1 =÷Part1:口算×104= 736+37= ×= ×5=+= 3÷ = + = - = - = Part2:脱式计算( + - ) ÷ [ -( - )] ×2 χ11 5 8 7 65 125 2414 3 6 1 34 5 45 13 2 3221 52 6 5 71 6 5 5 727( + )× ( - ) ÷[ ×( - )Part3:解方程χ- χ= χ-2χ=189χ+= ÷ = ÷χPart1:口算14÷35= += ×4= + =+ = + = - = × = ×4+4× = Part2:脱式计算2+÷+× × + + 4 39 32 92 8 7 165 4375 41 53 5 3 5 1 101 20 3 216 1 3 17 6 5 4 2 1 52 751514 54 51 8354 51 83 78Part3:解方程3χ÷= +(χ+ )= χ+(χ- )÷ = χ- =χ+Part1:口算3×= 7÷= 18÷360= + = 8 =× = 81÷ = - = + = ×2 = Part2:脱式计算÷[ -( + )] ( + - )÷×14-2 11514 12 7 53 932 52 54 53 543253 49151 1115 21 1115 114 51 6541 125 1211 3Part3:解方程+χ- = + χ=( χ+=χ- ×(χ=χ+Part1:口算+= ×= 135÷30= = × = 5×3 = × = × =Part2:脱式计算 56 ÷27+8 × ××8)÷[7-(1 × +1 × )]÷ 125 -(11 -4 + )Part3:解方程100315011 14 9 12125 12 11794 83152 94 163 131 71 4395 9 44 387 43 203 207 154 83 2712÷(χ+ )= χ- χ== χ+ χ= 42Part1:口算+= +=- = + = - = + = ÷1 =Part2:脱式计算2 +1 ×2 6 -1 ×10 ÷2 - 1 + ÷Part3:解方程+2χ= 5χ-3× =4 121 10757 31 32 1074 37 2 32 65 6 13 161 127 97 5 1 7 1 2 1 72 3 1 8 1 24 1 8154 313χ- × = χ- χ=1Part1:口算+= + =- = × = ÷ = - = + = Part2:脱式计算16-(9 + ÷ ) (3 -2 × )÷4( - ÷2)× 2 ×(10-3 )÷Part3:解方程2(χ+ )=3χ-5 - χ- χ=21 5 25 954103 1514 41 61 31 61 32 31 12 152 3 24 3 51 4 1 10 1 13 10251 3 154 5 4 83 10 1 7 5 10 3 8 3 6573 61 3290× + χ=20 χ+ =8-1 χPart1:口算249+49= = × = + = - = ÷ = - = Part2:脱式计算 4 ÷16+3 × 15-3 ÷ ×22 - ×2+1 ÷ - ×Part3:解方程-χ= χ+2 =χ+ χ=121 χ-(1 + )=21 54 53 1110 3 2 1274 1 3 2 3 261 74 21 72 98 83 192 92 21 5151 51 51 7 4 8 5 9 4 61 9572534387 43Part1:口算+= += += 94+= ÷ = - = - = + = + = Part2:脱式计算 1÷ + ×(3 ÷2 ) (2-3 × )÷(4 ÷3 )1 ÷(1 × + ÷1 ) 3 + ×(1 - )÷2Part3:解方程(χ+ )×7= + +χ=69= χ-1- χ=2Part1:口算+= 245+= 183+873=× = + = - = - = ÷ = 76 51 21χ 5 21 31 112 119 515152 55 44165 158 43 187 74 51 15 7245 8397 21 95 7 2 14 5 3 2 8 5 756 1 31 9 76543 8 7365Part2:脱式计算(1 +6 +2 +3 )× [9-( + )×24]÷11 ÷ -1 ×1 +32 +1÷×3Part3:解方程χ- + = χ- χ=χ+ χ=11 + χ=Part1:口算+= +=+ = - = ÷ = × = + = Part2:脱式计算(1 × +5 ÷ )÷11 )÷(2 +×7 107 51 32 65 32 121 7 3 43 4143 21 32 85 3 1 83538112 191 92 24 20 71 4138 4213 75 218 85 15431 8 16 1 95 83 74 52 32 7 2 43 53 8 5 9518 1 76157 21 5 3[1-(4 ×2)]÷ ××÷××Part3:解方程2χ+ = -2χ=-3χ= += χPart1:口算+= = += + = - = + = × = ÷ =Part2:脱式计算 ×1 ÷185 5441 87 16 1121 98 31 ××+× 133 323 436 1 9252 85 43113 +886 ×+ 3 ×25 +×6Part3:解方程χ- χ= χ+ =1 ×3+χ=6 9 χ=5 ×1Part1:口算+= 434+147= + = - = ÷ = × = + = Part2:脱式计算 383 ×+79×61 × +×42-8÷2541 × +51 × +61 × (5 +2 )×÷ +2 × 3195 72 13123 43 85 6 1 7 155252 43 8525831 43 41 54 51 6 5 95 9 45 4 52 55 15327 4 94 97 143 72 7 6 3Part3:解方程χ- χ= χ- χ==χ 1 -2χ=Part1:口算+= += 357+=× = - = + = - = ÷ = Part2:脱式计算(9 +7 )÷( + )÷34 4 3 3131 2 121 41 5353÷ 7 27 5 95 9 2 5 -4 ÷5 (4 +×3 7 2 3 2 13 9 45 46 1 158 × 3 + +7 ÷ 5 2 8 1 51 219 5 4 3 9161 65 72 437 1 87Part3:解方程3χ- χ= (1- )χ=÷χ= 4( +χ)=7Part1:口算167-88= ÷= ×= += ÷ = + = + = - = - =Part2:脱式计算 ( + + )×2 ×[+ )÷ ]×[+3 )÷ ] ×+215 ×Part3:解方程÷χ= χ÷ =30 100511918 54 51 25487 43 655 4 7 230 1 35 1 631 31 6531211918 191 83 12 77 4 8 3 7531 21 7554 9 89 7χ÷ = ÷ (χ+3)× =48Part1:口算+= +348= - = + = - = + = + =Part2:脱式计算 [+(3 ×2 ÷10]÷3 1 +[2 -(2 ]÷2[2 - )÷]×7 [4 ÷(2 -1 )-9 × ]×1Part3:解方程÷ χ= ÷ 2 ÷χ=2213 135 6 45 26 25134325 18 7 3 25 7356 921310 8143 143143 121 4321 5 3 1 11 92 1 7 4 2 13 253 51 5 1 61 3 14 1 6 5 92 31152107Part1:口算= += += +=- = - = - = + = + = Part2:脱式计算1 ÷[2 - ×+1 )]× [2-××(1 +3 )+ ÷1 - [× - )+4 ÷2 ]÷11Part3:解方程χ+(3χ-16)÷ =10(χ+1) 7+χ)=(χ+6)=× 3 χ+χ=25 41 54107 3 1 2912 51 326161 53 85 83 4037 21 32 41 5310 7 5 3 16531343 127 94Part1:口算÷= += += + = - = - = - = + = Part2:脱式计算 [(11 -3 ×1 )-8 ÷]÷2 ÷2 -1 × ÷7+ ×[( +4 ÷× )÷2 ]÷ 4 - +Part3:解方程- =1 2χ- =2+ - = χ- =2-Part1:口算+= += + = + = - = + = + =Part2:脱式计算3 2χ+1 3χ-1 3χ+24χ-32χ+12χ+12χ-13χ+21 5 3 172 5 2 25 6 1310 29 19 5 2 131151 6322 167 87 41 7 4 8 35 3 10051 28 7 14 11 4 1 11 5 8313 7 524 35 3 7 26 5 75 7 2 9 2 11 5 13 594 5 45 4 72 9 3[÷+×6 ]÷×( 1 ÷×2× +× )×5 24×( + )Part3:解方程χ×4= - =50- =1 - =χ+2Part1:口算+= += +=+ = - = + = - = × = Part2:脱式计算( - ÷2)× +1÷1 (1 + ×1 )× 43χ-3χ+4χ 520χ-10510χ+305 227 527 58365 5383 53 41 121 12712117352+ 6 ÷+1 ×1Part3:解方程- = 0 +1 = = -1 - =1Part1:口算+= += ×=÷ = - = - = + = + = Part2:脱式计算[5-3 ÷(1 +× )]÷ 1 × - + ) 15 723-χ 3χ+4 62χ+14χ+52 3χ-154χ-64χ+262χ-3119 11241101 133 25 1825 1121 81 87 3187 81 31654 1436185 72(3 +4 )×120 ( +1 ÷ )×2Part3:解方程+χ=3+ - - +3=0×(χ+10)= ×(5χ-6) + χ=6Part1:口算985+458= ÷= += = × = - = + = + = Part2:脱式计算 ×3 -1 +× 7 ×++2 ×7)÷1 + ×3 ÷ )+ ×4χ-2 31+χ 5χ-2 10χ+332χ-55 451 4361 31 52 94 2116 74 2141 43 5154 47 111 53 54 53 45 54 41125125 8 14 127 1492 1 15 4 6 1Part3:解方程=(χ+7)÷11 + χ=518:=χ: :χ=5:Part1:口算×= += += + = + = ×= - = - =Part2:脱式计算 × )+ ÷ 4 ÷ ×(1- )×2 ×2 -2 ÷ × +6 ×χ 43 7 3 73 73 43 43 41 125 52 31 32 54χ 4341 12 5165169 4 3 10 3 16 3 103 154 85Part3:解方程χ+ =240 χ- χ=:=6:χ 12:=3χ:Part1:口算+= += ÷3=÷4= - = ÷= + = - = Part2:脱式计算1 ×[7 + )-4 ] ×5 - ÷+ )÷1 2 ××3 -1 ×9Part3:解方程3231 81 6521 32 41 21 103 103 32 109 721 χ 54 3 9211 813 95 241103 21 1013 -+χ)= 4(χ=1Part1:口算÷= += +=÷= - = + = + = - = Part2:脱式计算84 ÷14+16 × -(1- ) ( - ÷2)×21× +× - ×12+ × 2 ×(10-3 )÷Part3:解方程45×(χ-83)=36(χ-75) 48×(34-2χ)=56(χ+2) 73 139 72 134 21 21 141 1413 41101 1310 25131 54 4 35374 53 53 61 152 73 154 9 2 8524×(2χ-63)=18×(χ+16) ×+χ)=×χ)Part1:口算+= ×24= +=- = × = + = ÷ = + = Part2:脱式计算× - ÷ ÷ ÷+ - )÷ ÷÷ )×Part3:解方程χ+=1 χ÷ = 18 11 12 5 43 4161 5171 7 175 41103 72 41101 4 1116 22 15 25 11 11 2 31 24761 125 92×(χ+=2 ÷χ)=Part1:口算×= += + = - = - = × = ÷ = Part2:脱式计算 ÷× ++ ÷( + )÷ ÷÷ )×Part3:解方程+ χ- = +χ÷=6( +χ)×=11 (χ+÷=27 3 1312 394 783553 53 4 3 4121 61 619 8 53 52 6532 65 51 103 109 74 2815 10 75 4119319 5114+= ÷= +=6÷ = - = + = × = ÷= Part2:脱式计算+ ÷× + ÷ ÷÷ ×+ ×÷ )+Part3:解方程+χ= + ÷χ=1×(χ+=3 ×(χ÷ )=Part1:口算+= ÷= 9-2÷8= += 7 3 20321 4 1 81 32 3 292 1 7417 485 8 5 19 10 187181 43 10 932 43 154 524 3 4 1 9 1 98 984÷ = + = - = + = × =Part2:脱式计算÷+ ÷ ×× ) ×÷ ÷ )Part3:解方程5(χ+4)+6=12(χ+1)-7 - =- = χ+ =Part1:口算÷= += ×=× ×14= - = × ÷ = ÷ - ÷5= ( + )×30= 7 392χ+1 7321 81 72 745251103 52 1016 5 22χ-165 3χ31 94 81 3215 146 143655 3 61+ ÷ ÷ × ÷×( × )÷ ×( × )+Part3:解方程2(χ+1)÷3=24÷36 (χ-1)= (χ+1)χ+=1 χ+ ÷ =Part1:口算×3= ÷= +=+ × = ＋ = × = ÷ = 24×( + )= Part2:脱式计算× ÷+ — ÷ + 5 3 10 7 615 421 54731 53 1035461 6 9 66103 6 1 6 5 9 1127 6 5 76+ ×( × ×( × )Part3:解方程12χ: 5=48: 20 (χ+1): 10=(χ-1): 5(χ+×= χ+ =Part1:口算56+= += +=( + )×6+ = 12÷ = ÷ = ( + )÷ = + = Part2:脱式计算+ ÷+ ÷× - 54152 75566 13 165 31 85 8721 81 2141 91 76115 14727 232××+ ) ÷( + ×Part3:解方程(3χ+1): (χ+1)=2:1 (4χ+3): 5=χ: 1χ- = - χ=Part1:口算+= ÷50= +=× + ÷5= + = 6÷ = 1÷3× = × = Part2:脱式计算4 ×2 +4 ×4 +6 ×4 4 ÷16+3 ×83 214 81 41 6 554109 8 7 16 1 3219491473 498 137 137 137 71 72 74 7421 72 5 47 6 7 65 2617 631[(3 ÷1 +2 ]÷2 15-3 ÷ ×2Part3:解方程- χ= ÷ χ=+ χ= × χ=1Part1:口算+= ×= += =÷ = 56× = + = - = × = Part2:脱式计算×4 +× ÷ 1÷ + ×(3 ÷2 )2 ×( + )+ ×(2- × )÷ 43 223312 7 22233 222 3 1032518 151 11 9 112 5534 5 1 5 2 6 5215 6451911154 738314 918 59 24Part3:解方程χ+ = χ- =1 χ×2 = χ÷ =Part1:口算+= ÷327= =×= 9× + = + = × - = - = Part2:脱式计算)×1 ÷ ( + )÷ -(4÷7+ )×6- 2 6526+450÷18×10143203 21 2131 53 1813 61 75 383 92 65 31 9 8 5 46 5 6 5918 7Part3:解方程×(χ+=2 ×(χ=1×( +χ)= ×(1 χ)=Part1:口算+= 491-346= ÷9= +=7× + = ÷6= 6×( + )= 31× - = - =Part2:脱式计算× + ×÷1 ( ×4 + )÷ ÷2÷[( - )÷ ] 36×( + - )1 2110 215 7 2+ 73 1872 1 61 34 87 54 53 41 10 71279 5 41 43 125 1728 3 5 2 94 12753 87 5 2 2 57 6 5 5349 514 32Part3:解方程- ÷ χ= + ÷1 χ=- ÷ χ= + ÷1 χ=Part1:口算+575= 80×= = +=×18-14× = × + = × + = × + × = + ÷ = Part2:脱式计算Part3:解方程×χ÷ )=×χ× )= 7 316 1514 3×××× ( - )× 39× ÷42 326 1 71 5 4××4 × 212×9÷8+1×45÷45×6÷4+×3÷2 13 10 16 3229 127 307 3714 35261211 3516 5 16 59 513 2 325 43 2 4322 9 111 21÷χ÷ )= ÷χ× )=Part1:口算÷40= += +=14× - × = × + = - × = 3× + = × + = Part2:脱式计算× + × 3 ÷[5 ×+ )1110÷[56×( - )] 10 -(2 ÷1 + ×1 )Part3:解方程÷ χ= ÷ χ=32 1725 3 211 54 541 16 7 9 4 127 9 7 20 7 5 4 8 3 737376 113 115 43 73 83 438341 31 61 7 3 72 20752 143 53 185 65 73 75 312494 35 2 9 2 15 126 5 23 13 5÷χ- = ÷χ+ =Part1:口算+= ÷50= += =+ ÷ = × + = 101× - ×21= ÷ = 10÷ + ×4= Part2:脱式计算÷1 ++3 )×2 [( +1 )× ]÷× +÷ × [ +]÷3Part3:解方程- =3 - = 21 21 16 65 619 7 1211 8 3 4371 31 43 121 2 132985 4χ-2χ+13+χ+χ4χ5χχ21 2 1 8 7 4 3 4 1 5 151 72 5295 61- = 7×( +χ)=Part1:口算50×= += += ÷ + = × + ÷ = + = × + = ÷ - =Part2:脱式计算 ×(1÷ -÷1)+1 84 ÷14+16 × -(1- )÷(10÷×Part3:解方程+ =37 +2χ=2- =115 - =Part1:口算4343 7465 21 21 141 1413 103 ×13+169×1998×3÷43×559÷37212χχχ+1χ-33χ-1χ7 2 31 52 103 3 2 5 2 31 2 1 52 10 9 2099 2 83 75 95+= 716-685= ÷8= +=×4- = × + = × × = ÷ + = ÷ + = Part2:脱式计算+( + )× 2008×18×( + )×25 ÷ + ÷Part3:解方程χ- χ=12 - - =1-χ= - =1Part1:口算70×= += 504-473= +=83223 83 5 χ54 33+2χ χχ+2×χ+2)χ11 9 12 58 5 81 61 4 34 16 15 25 2 5 2542 1 434 3 53 54 85 45 157 92 98 72 9752 200720067 4 21 257 253 18 1 3 8 7 74 87- × = ÷ + = × - = ÷ - = - =Part2:脱式计算+ ×4+ ×19 ( + + )÷( + + )( + + )÷ 265÷ +578× +157÷Part3:解方程- χ= +1 - == =Part1:口算6×= += +== + ÷6= × + = ÷ - = ×( - )= Part2:脱式计算2519 5 312 5χ 32χ2χχχ χ+4-6χχ12 112154 9494 95 512 6 5 41 10 17 5 9 5 1257 1 9 1 121 75 2521 18 7 25 572 1343478+7878+787878+45+4545+454545+ 53 3 5 3533÷ + ×44+24÷×(7+9)× ( × - )×1Part3:解方程χ: =21: χ×( + )=χ-(2 += 2χ-5 =Part1:口算+= 20×= += + )÷ = ÷ = 8× + = 12× = ( - )÷1 =Part2:脱式计算 36× 34×8 3 3533 434 1 41 4 3 41 65 6 5 95 32 18 19 5 1077 654 155 85 61 1213 4 112 731( + )×12+ ×3+ ×15Part3:解方程χ÷ + =1 10:(χ+1)=:: =χ:9 (3χ+2)÷4=2χ-7Part1:口算+= 30×= += - )÷ = ×3- = 3÷ = ÷ += 4÷ - ÷4=Part2:脱式计算 × + 78××( × - )12 1124 471243737978 16 3 121 35 1215 21 92 8 1 8 5 51 54 5417 117 3375 372 23224677 3126×27-126-25×27 95 54 3 2 65。