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五年级小数加减乘除混合运算计算题练习题
1、解方程。
2、用简便方法计算。
(1)
(3) 0.25 X 44
(1) 2.6+1.4 X 1.5 — 1.5
(3) 2.6+2.4 X( 1.4－1.05) 五年级小数加减乘除混合 运算计算题练习题
2.881 - 0.43-0.24 X 3.5
20X [(2.44 -1.8) - 0.4+0.15] 2) 36X 10.1 ( 4)
22.2X 4+17.8X4
3、用递等式计算。
(2)( 37— 3.6 - 4.8 )- 12.5
(4) 15.6 - 16X( 0.25+1.25 )
24- 2.4 — 2.5 X 0.8
(4121+2389) - 7
671X15-974
469X 12+1492
19.4X 6.1 X 2.3
5.67X0.2-0.62
18.1 X
0.92+3.93
0.4X 0.7X 0.25
28-(3.4+1.25 X2.4)
2.55X7.1+2.45X7.1
777X 9+1111X3
0.8X[15.5 -(3.21+5.79)] 0.78+5.436+1
4. 8 X 5 宁 4+1*
4
9. 9x5 * 6+5* 6
(31.8+3.2 X 4)
31.5X4*(6+3) 10. 3 * 4x8*9-1 * 3
14. 31x5 *6-5* 6
16. 5 *9x18-14x2*7
0.64X 25X 7.8+2.2
2* 2.5+2.5 * 2 20. 3x2 * 9+1* 3
35. 95 *( 64-45)
36. 178- 145* 5X6+42
36.25*4.25X9.9
5180— 705X 6
7.2*0.8-1.2X5
6.5X (4.8- 1.2X4)
28-(3.4+1.25 X2.4) 0.25 X3.2X 12.5 2 / 4
3 / 4
2.55 X 7.1+2.45 X 7.1
777X 9+1111X 3
(31.8+3.2 X 4)十 5
31.5 X 4- (6+3)
0.64X 25X 7.8+2.2
2-2.5+2.5 - 2
240X 78-( 154-115) 1437X 27＋27X 563
〔75-(12+18)〕- 15
194－64.8-1.8X0.9
36.72- 4.25X9.9
5180－705X 6 85X(95－1440-24)
58870- (105＋20X 2)
1437X 27＋27X
563
81432- (13X 52＋ 78)
[37.85- ( 7.85+6.4 ) ] X 30
( 947－ 599)＋ 76X 64
36X (913－276- 23)
[192 －( 54＋38) ] X 67
81432- (13X 52＋ 78)
( 947－ 599)＋ 76X 64
60－(9.5 ＋28.9) -0.18
5.67X0.2-0.62
18.1 X 0.92+3.93
0.043X 24+0.875
2.881 -0.43－0.24X 3.5
0.8X〔15.5-(3.21+5.79) 〕
(31.8 3.2 X4)-5
0.4X 0.7X 0.25
0.78+5.436+1
4.07X0.86+9.12
194－64.8-1.8X0.9
36.72- 4.25X9.9
3.41 6-(0.016X35)2160-〔( 83-79)X 18〕
280 ＋840- 24X 5
325-13X (266－ 250)
24-2.4－2.5X 0.8
(4121+2389)-7
671X15-974
469X 12+1492
405X (3213-3189)
19.4X 6.1 X 2.3 4 / 4
0.8 X [(10 — 6.76) - 1.2] (6.8- 6.8
X 0.55) - 8.5
0.12 X 4.8 - 0.12 X 4.8
(58+37)十(64-9 X 5) 812-
700-( 9+31X 11) 156X [(17.7 -7.2) - 3]
(3.2X1.5+2.5 )-1.6
85+14X( 14+208- 26) 120-36X4-18+35
9.72X1.6-18.305-7
3.2X( 1.5+2.5 )-1.6 (58+37)-( 64-9X 5)
(6.8- 6.8X0.55) -8.5
0.12X 4.8 -0.12X4.8
(3.2X1.5+2.5 )-1.6
120-36X4-18+35
15-10.75X0.4-5.7 347+45X2-4160- 52
(58+37)-( 64-9X 5) [(7.1-5.6 )X0.9-1.15] -2.5
(3.2X1.5+2.5 )-1.6 5.4-[2.6
X( 3.7-2.9 ) +0.62] 12X 6-( 12-7.2 ) -6 3.2X6+(1.5+2.5 )-1.6
(3.2X1.5+2.5 )-1.6 120-144-18+35 347+45X2-4160- 52
(58+37)-( 64-9X 5) 95-( 64-45)
812-700-(9+31X11) 120-36X4-18+35 (6.8- 6.8X0.55) -8.5 0.12X 4.8 -0.12X4.8 0.8X〔15.5-(3.21+5.79) 〕
(31.8+3.2 X 4)- 5 31.5X4-(6+3) 0.64X 25X 7.8+2.2 2-
2.5+2.5 - 2 194—64.8-1.8X0.9
36.72- 4.25X9.9 5180—
705X 6 24-2.4—2.5X0.8
(4121+2389)-7 671X15-974
469X 12+1492 405X (3213-3189) 0.8X[(10 —6.76) -1.2]
19.4X 6.1 X 24
5.67X0.2-0.62 18.1 X
0.92+3.93 24+0.875X 99 0.4X
0.7X 0.25 0.75X102 100-56.23 31.50＋160-40
(58+370)-( 64-45 ) 32.120-
144-18+35 33.347+45X2-4160-52 34 (58+37) - ( 64-9X
5) 35.95- (64-45) 36.178- 145-5X6+42 420+580-64X21-28
37.812- 700-(9+31X11)
(136+64)X( 65-345-23)
38.85+14X (14+208-26) (6.8-
6.8X0.55) -8.5 0.12X 4.8 -0.12X4.8
(3.2X1.5+2.5 )-1.6
(23.2X( 1.5+2.5 )-1.65 / 4
45.6-1.6 - 4=
5.38+7.85-5.37=
46.7 - 0.8-1.2 X 5=
6-1.19 X3 -0.43=
47.6.5 X(4.8- 1.2X4)=
0.68X1.9+0.32X1.9
297X 999
1983X21+21X3017
(0.123+123) X1009
34X 24+3481
0.8X0.196+0.094
105+895X 57
32.47X 23+27
39.01 X18.3-901
76.5+2- 2X184
49+23X 14
31X 99
52X 99+52
25X 32X 125
120- 36 X 4- 18+35
(58+37)-( 64-9 X 5)
(6.8- 6.8 X 0.55) - 8.5
0.12 X 4.8 - 0.12 X 4.8
(3.2 X 1.5+2.5 )- 1.6
3.2 X( 1.5+2.5 ) - 1.6
31.50 + 160- 40
(58+370)-( 64-45)
32.120- 144- 18+35
33.347+45X2-4160-52
34 (58+37)-( 64-9 X 5)
35.95 -(64-45)
36.178- 145- 5X 6+42
420+580- 64 X 21-28
812-700-( 9+31X 11)
(136+64)X( 65- 345- 23)
(284+16)X(512-8208-18)
120-36X4-18+35
(58+37)-( 64-9X 5)