暑假衔接计算题小数简便计算每日一练
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简介
90.5×99+90.5 =90.5×(99+1) =90.5×100 =9050 6.3÷1.4 =6.3÷(0.7×2) =6.3÷0.7÷2 =9÷2 =4.5 8.57×103-8.57×3 =8.57×(103-3) =8.57×100 =857 2.5×2.4 =2.5×4×0.6 =10×0.6 =6 2.95×101-2.95 =2.95×(101-1) =2.95×100 =295
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