五年级上册数学小数乘除法简便计算专项训练
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简介
0.25×3.7×4 =0.25×4×3.7 =1×3.7 =3.7 1.25×5.6×0.8 =1.25×0.8×5.6 =1×5.6 =5.6 2.5×1.8×0.4 =2.5×0.4×1.8 =1×1.8 =1.8 0.125×9.6×8 =0.125×8×9.6 =1×9.6 =9.6 0.25×8.8×4 =0.25×4×8.8 =1×8.8 =8.8 0.25×6.9×40 =0.25×40×6.9 =10×6.9 =69 0.5×4.2×2 =0.5×2×4.2 =1×4.2 =4.2 0.125×7.2×80 =0.125×80×7.2 =10×7.2 =72 5×1.27×0.2 =5×0.2×1.27 =1×1.27 =1.27 2.5×0.7×0.4 =2.5×0.4×0.7 =1×0.7 =0.7 2.5×3.2×0.4 =2.5×0.4×3.2 =1×3.2 =3.2 0.125×4.8×8 =0.125×8×4.8 =1×4.8 =4.8
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