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分数乘除法简便运算100题(有答案)教学文稿

512110157535分数乘除法简便运算100题

(1)(89 +427 )×3 ×9 (2)(38 - 38 )× 615 (3) 16 ×(7 - 23 )

(4) 56 ×59 + 59 × 16 (5)29 ×34 +527 × 34 (6) 613 ×75 - 613 × 25

(7) 712 ×6 - 512 × 6 (8)38 +38 ×47 +38 ×37 (9) 37× 335

(10) 625 × 24 (11)1521 ×34 + 1021 ×34 - 34 (12)710 ×101- 710

(13) 89 ×89 —89 ×89 (14) 35 × 99 + 35 (15) ( 47 + 89 )×7 ×9

(16)345 ×25 (17) 36×3435 (18) ( 56 - 59 )×185

(19)2623 × 15 (20)3225 ×56 (21)

(22) (23)87748773 (24)91929197

(25) 652053 (26)1259412595 (27)38 - 38 ×47 - 38 ×37

(28)623763 (29) 31÷76+32÷76 (30)229 ×(15×2931 )

(31)58 ×23 ×815 (32)2534 ×4 (33)54×(89 - 56 )

(34)7212451871211(35)3831162375.011583 (36)1925214251975

(37)4818365 (38) 241241343651211 (39) 1159251197

(40) 341574357834265(41)883883 (42) 12191711259575

(43) 6.0352444533533 (44)8×51+51×3.2 (45) 101×254

(46) 85+85×15 (47)8158÷8 (48) 31×76+32×76

(49)( 90+881)×891 (50)57×38+58×57 (51)815×516+527÷109

(52)18×(49+56) (53)23×7+23×5 (54)(16-112)×(24-45)

(55)(57×47+47)÷47 (56)15÷[(23+15)×113] (57) 833×117+114×833

(58)31333×3 (59) 5912512795 (60) 65524532

(61) (32×41+17)÷125 (62)(25+43)÷41+41 (63) 2518×169+257×169+169

(64))7321495(63 (65) 2316]43)3121(85[ (66)(21×73+74×21)×41

(67)(99+109)÷9 (68) 1514÷[(54+32)×1110] (69)(65+54)×30 (70)65×56-109÷59 (71) 81×58+81×41+81 (72)54×74×45-21 (80) 46×4544

(73) 54×65+52÷53 (74) 54÷[(85-21)÷85] (75) 35 ×153 – 0.6×53 (81) 2008×20062007

(76)(45 +14 )÷73 +710 (77)18 ×[12 ÷(35 ×109 )] (78) (215 +311 )×15×11 (79)391437

(82) 47 ×1522 ×712 (83) 910 ×1317 +910 × 417 (84)36×937 (85)1113 -1113 ×1333

(86) 257×101-257 (87) 95739574 (88) 59 × 34 +59 × 14 (89)17× 916

(91)4544×37 (92)2004×200367 (93)73151×81 (94) 166201÷41

(95)41×39 + 43×25 + 426×133 (96)1174×(232 - 43)+ 15121 ÷ 2117 (97)2000÷200020012000

(98)199419921993119941993 (99)353×2552 + 37.9×652 (100)(972+792)÷(75+95)

分数乘除法简便运算100题答案

(1)(89 +427 )×3 ×9 =31 (2)(38 - 38 )× 615 =0

(3) 16 ×(7 - 23 )=1819 (4) 56 ×59 + 59 × 16 = 59

(5)29 ×34 +527 × 34 =3611 (6) 613 ×75 - 613 × 25 = 613

(7) 712 ×6 - 512 × 6 =1 (8)38 +38 ×47 +38 ×37 = 43

(9) 37× 335 = 3356 (10) 625 × 24

= 625 × (25-1)

=52519

(11)1521 ×34 + 1021 ×34 - 34 =71 (12)710 ×101- 710 =70

(14) 89 ×89 —89 ×89 =0 (14) 35 × 99 + 35 =60

(15)( 47 + 89 )×7 ×9=92 (16)345 ×25=95

(17) 36×3435 (18) ( 56 - 59 )×185 =1

=(35+1)×3435

= 343534

(19)2623 × 15 (20)3225 ×56

=(25+35)× 15 =(30+512)×56

=531 =27

(21) 5121101 =71 (22) 57535 =771 (23)87748773=78 (24)91929197=5

(25) 652053=1221 (26)1259412595= 512

(27)38 - 38 ×47 - 38 ×37 =0 (28)623763 =376237

(29) 31÷76+32÷76=67 (30)229 ×(15×2931 ) =3130

(31) 58 ×23 ×815 =92 (32)2534 ×4= 103

(33)54×(89 - 56 )=3 (34)7212451871211=109

(35) 3831162375.011583=0 (36)1925214251975 =19 75

(37) 4818365 =58 (38) 241241343651211 =7

(39) 1159251197 = 115 (40) 341574357834265=750

(41) 883883 =64 (42) 12191711259575 =5

(43) 6.0352444533533=60

(44) 6.8×51+51×3.2 =2 (45) 101×254 =16254

(46) 85+85×15 =10 (47)8158÷8=1151

(48) 31×76+32×76 = 76 (49)( 90+881)×891 = 1881

(50)57×38+58×57=57

(51)815×516+527÷109=31 (52)18×(49+56)=23 (53)23×7+23×5 =8 (54)(16-112)×(24-45)=11514

(55)(57×47+47)÷47=712 (56)15÷[(23+15)×113]=3

(57) 833×117+114×833= 833 (58)31333×3 =1000

(59) 5912512795= 95 (60) 65524532=1

(61) (32×41+17)÷125=60 (62)(25+43)÷41+41=10341

(63) 2518×169+257×169+169=89

(64))7321495(63 =20 (65) 2316]43)3121(85[=0

(66)(21×73+74×21)×41 =421 (67)(99+109)÷9 =1191

(68)1514÷[(54+32)×1110] = 107 (69)(65+54)×30 =49

(70)65×56-109÷59 =21 (71) 81×58+81×41+81=12.5

(72)54×74×45-21=141 (73) 54×65+52÷53 =34

(74) 54÷[(85-21)÷85】= 4 (75) 35 ×153 – 0.6×53=60

(76)(45 +14 )÷73 +710 =2023 (77)18 ×[12 ÷(35 ×109 )] =323

(78) (215 +311 )×15×11 =67 (79)391437=33931

(80) 46×4544=444544 (81) 2008×20062007 =200620072006

(82) 47 ×1522 ×712 =225 (83) 910 ×1317 +910 × 417 =910

(84)36×937 = 3728 (85)1113 -1113 ×1333 =3320

(86) 257×101-257 =28 (87) 95739574=95

(88) 59 × 34 +59 × 14 =59 (89)17× 916 = 9169

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