五年级上小数简便方法计算.doc

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1、4.8-4.8×0.5（1.25-0.125）×84.8×100.156.57.09×10.8-0.8×7.094.02+5.4+0.985.17-1.8-3.213.75-6.48+3.759.6+4.8-3.63.82+2.9+0.18+9.17.14-0.53-2.475.27+2.86-0.66+4.7313.35-4.68+2.6547.8-7.45+8.815.75+3.59-0.59+14.2542.5-(6.07+1.13)3.52÷2.5÷0.4320÷1.25÷84.2÷3.54.78÷0.2+3.443.9-4.1+6.1-5.90.49÷

2、1.41.25×2.5×32(45.9-32.7)÷8÷0.1253.6-0.6×23.65×10.19.6÷0.8÷0.40.89×100.1146.5-(23+46.5)17.8÷(1.78×4)8.54÷2.5÷0.4※52.8÷0.75×0.253.68+4.6+6.32※2.22×9.9+6.66×6.7