五年级小数加减乘除混合运算计算题练习题
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小数混合运算专项训练1、解方程。(1)5x=450 (2)12(6-x)=42 (3)1.2×6+4x=12 (4)8.5x-x=22.5 2、用简便方法计算。(1)0.25 ×3.2×12.5 (2)36×10.1(3)0.25×44 (4)22.2×4+17.8×43、用递等式计算。(1)2.6+1.4×1.5-1.5 (2)(37-3.6÷4.8)÷12.5(3)2.6+2.4×(1.4-1.05)(4)15.6÷16×(0.25+1.25)
30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.520×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)2.55×7.1+2.45×7.1777×9+1111×30.8×[15.5-(3.21+5.79)] (31.8+3.2×4) ÷ 531.5×4÷(6+3)
0.64×25×7.8+2.22÷2.5+2.5÷2
36.25÷4.25×9.9 5180-705×6
24÷2.4-2.5×0.8 (4121+2389)÷7
671×15-974 469×12+1492 19.4×6.1×2.3
5.67×0.2-0.62 18.1×0.92+3.93 0.4×0.7×0.25
0.78+5.436+1 4. 8× 5÷4+1÷4 9. 9x5÷6+5÷6
10. 3÷4x8÷9-1÷3 14. 31x5÷6-5÷6 16. 5÷9x18-14x2÷7
20. 3x2÷9+1÷3 35. 95÷(64-45) 36. 178-145÷5×6+42
7.2÷0.8-1.2×5 6.5×(4.8-1.2×4) 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 (31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2
194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6
24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974
469×12+1492 405×(3213-3189) 19.4×6.1×2.3
5.67×0.2-0.62 18.1×0.92+3.93 0.043×24+0.875
0.4×0.7×0.25 0.78+5.436+1 4.07×0.86+9.12
240×78÷(154-115)1437×27+27×563〔75-(12+18)〕÷15
2160÷〔(83-79)×18〕 280+840÷24×5 325÷13×(266-250)
85×(95-1440÷24) 58870÷(105+20×2)1437×27+27×563
81432÷(13×52+78) [37.85-(7.85+6.4)] ×30(947-599)+76×64 36×(913-276÷23) [192-(54+38)]×67 81432÷(13×52+78) (947-599)+76×64 60-(9.5+28.9)÷0.18
2.881÷0.43-0.24×3.50.8×〔15.5-(3.21+5.79)〕(31.8 3.2×4)÷5
194-64.8÷1.8×0.936.72÷4.25×9.93.416÷(0.016×35)
0.8×[(10-6.76)÷1.2] (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8
(58+37)÷(64-9×5) 812-700÷(9+31×11)156×[(17.7-7.2)÷3]
(3.2×1.5+2.5)÷1.6 85+14×(14+208÷26) 120-36×4÷18+35
9.72×1.6-18.305÷7 3.2×(1.5+2.5)÷1.6(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.50.12× 4.8÷0.12×4.8(3.2×1.5+2.5)÷1.6
120-36×4÷18+35 15-10.75×0.4-5.7 347+45×2-4160÷52
(58+37)÷(64-9×5) [(7.1-5.6)×0.9-1.15] ÷2.5(3.2×1.5+2.5)÷1.6 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6 3.2×6+(1.5+2.5)÷1.6(3.2×1.5+2.5)÷1.6 120-144÷18+35 347+45×2-4160÷52 (58+37)÷(64-9×5)95÷(64-45)812-700÷(9+31×11)120-36×4÷18+35(6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 0.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 0.8×[(10-6.76)÷1.2]19.4×6.1×245.67×0.2-0.62 18.1×0.92+3.9324+0.875×990.4×0.7×0.250.75×102 100-56.23 31.50+160÷40 (58+370)÷(64-45)32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5)35.95÷(64-45)36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷(9+31×11)(136+64)×(65-345÷23)38.85+14×(14+208÷26)120-36×4÷18+35 (58+37)÷(64-9×5)(6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6 31.50+160÷40 (58+370)÷(64-45)32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5)35.95÷(64-45)36.178-145÷5×6+42 420+580-64×21÷28 812-700÷(9+31×11)(136+64)×(65-345÷23)(284+16)×(512-8208÷18)120-36×4÷18+35 (58+37)÷(64-9×5)(6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 (23.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9297×9991983×21+21×3017(0.123+123) ×100934×24+34810.8×0.196+0.094105+895×5732.47×23+2739.01×18.3-901 76.5+2-2×18449+23×1431×9952×99+5225×32×125