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沙发
楼主 |
发表于 2014-9-9 17:12:56
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只看该作者
二、计算。(每天一练)
(1)25.6-7.86+2.14 (2)4.7×0.75-3.2
(3)11.8+2.2-11.8+22 (4)0.76×11.4-1.4×0.76
(5)13.6×3-40.6÷2 (6)0.384+1.29+4.78
(1)4.6-1.75+2.08 (3)5-(4.19-2.83)
(2)7.41-(2.96+3.04) (4)4.28+0.53-3.37
(5)5.4×0.75÷1.5 (6)18.95-(8.43+3.87)]×2.8
(1)3.2+1.27-2.49 (3)5.6+4.4+2.07
(2)1.54+2.08+3.62 (4)70.8-4.19+2.83
(5)2.5×(6.2-2.6)×0.4 (6)3.4×0.46+3.4×0.54
(1)9.5+4.85-6.36 (3)4.8×1.2+9.8×1.03
(2)4.6-(1.75+2.08) (4)3.14×1.5-3.14×0.55
(5)25.5÷[(10-8.98)×2.5] (6) 6.3+4.82+3.7-0.82
(1)2.6+1.4×3 (2)22-1.6×0.8
(3)(8+0.8)×1.25 (4)2.5×13+0.92
(5)12.6-(2.89+7.11)×1.01 (6)307×10.1
(1)10.5-0.34-0.66+9.5 (2)0.86×1.2×48-0.15
(3)2.5×32×1.25 (4)7.79÷95+35÷56
(5)0.45×18 (6) 132-43.7-56.3
(1)182÷52-15.6÷6 (2)0.21÷0.025×0.3
(3)4÷25×32÷5 (4)6.3÷0.42×7÷0.35
(5)0.32×12.5×2.5 (6)5.6×1.25
(1)9.4×[0.96÷(5.4÷0.9 ) (2)35.7÷14÷30
(3)1.6×(2.25+10.5÷1.5) (4)3.4×7.8÷3.9
(5)7.6×27+7.6×174-7.6 (6)72÷1.25÷8 270÷4.5
(1)7.2÷0.64+12.3÷1.5 (2)54÷(3.94+6.86)
(3)0.175÷0.25÷0.4 (4)0.175÷0.25×4
(5)7.3+2.7-7.3+2.7 (6)(7.7+15.4)÷7
(1)96÷(15.4-12.2) (2)5.01-1.9+4.99
(3)9.6×4.5-1.25×0.72 (4)12.7+12.5÷5
(5)9.9×34 (6)1.5×1.2+8.8×1.5
(1)0.65×6.4-0.65×5.4 (2)8m÷2=15
(3)5x-3.9=5.1 (方程) (4)0.4×99+0.4
(5)4.7×8.3+5.2×8.3+0.83 (6)7.12×4-1.12×4
(1)25.6-7.86+2.14 (2)4.7×0.75-3.2
(3)11.8+2.2-11.8+22 (4)0.76×11.4-1.4×0.76
(5)630÷[2.98+6.5×(3.2-3.12 ) (6) 450÷2.5÷2
(1)0.8÷0.04×14 (2)2.6×1.5÷2.6×1.5
(3)0.4×50÷0.8 (4)1.4×(6-3.72)÷0.42
(5)12.5×8.8 (6)(125-1.25)×0.8
(1)5x-3.7=8.5 (方程) (2)(455-12.5×4)÷8.1
(3)13.6×3-40.6÷2 (4)0.384+1.29+4.78
(5)39÷(1.3×5) (6)3.5×0.4+3.5×0.6
(1)15.64+9.648÷7.2 (3)9.21+7.65×2.4-4.77
(2)93÷0.31÷3 (4)17.2+0.4x=88
(5) 4.83÷5+2.17÷5 (6)42÷3.5
(1)7.6x+2.2x=0.98 (3)3.5×7.2+2.8×3.5
(2)[3.6+(17-2.7)] ×1.12 (4)34.6-0.6x=0
(5)26.7-0.5×5-7.5 (6)2.2÷4+0.6÷4
(1)865×209+95238÷234 (3)52-3x=28
(2)435×0.8+565×0.8 (4)2x+0.6×1.8=3
(5)48.4+2.78+51.6-0.48 (6)(1.9-1.9×0.9)÷(3.8-2.8)
(1)(0.01-0.01×0.01)÷0.1 (3)29.7-(6.2+0.85)×4
(2)4.26×1.7+5.74×1.7 (4)34.52-2.78-1.22
(5)12.25-3.1+0.85-6.17 (6) 2.65×1.7+1.35×1.7
(1)56.4÷24+9.3×0.5 (3)64.32-12.4-2.76+0.68
(2)3.09+6.69+6.91+3.31 (4)39.05÷7.1-4.02
(5)6.3x+1.8x=21.87 (6)13.456÷[0.58×(10-4.2)]
(1)4.5-1.74÷1.5-0.74 (3)7.6×[(1.8+1.95) ÷2.5]
(2)6.375-1.6-(1.4-0.625) (4)0.85×5.67-0.75×5.67
(5)14.8×10.1 (6)23.6×102-2×23.6
(1)9x=9.4-4 (3)1.25×3.65×8
(2)3x-5×0.3=4.5 (4)23×44+47×23-23
(5)51.8-4.8×(2.03-0.18) (6)0.25×401
(1)0.8×(12.5-1.25) (3)6.38-(2.8+3.38)
(2)1.78×2.1-0.178 (4)4.5+4.5÷0.12-12.94
(5)5.81+8.3+4.19+11.7 (6)2.25×6.8+2.75×6.8
(1)0.75×4.6×5.6 (3)(100-47.5)×3.15
(2)4.5+4.5÷0.12-12.94 (4)(21-0.697)-(0.65+8.35)
(5)24.8-15.28-4.8 (6)12.5×13×8×5
(1)32.5×0.24+542.7÷27 (3)12.9+12.45÷1.5
(2)1.78×2.1-0.708 (4)38.26-18.84-3.16
(5)6.2+14.98-5.1-1.23 (6)(36.8+189.5)×(5.4-2) |
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