4.8-4.8×0.9用简便运算怎么算,
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4.8-4.8×0.9用简便运算怎么算,
4.8-4.8×0.9用简便运算怎么算,
4.8-4.8×0.9用简便运算怎么算,
4.8-4.8×0.9=4.8×(1-0.9)=4.8×0.1=0.48
4.8-4.8×0.9
=4.8*(1-0.9)
=4.8*0.1
=0.48
解; 原式=4.8×1-4.8×0.9
=4.8×(1-0.9)
=4.8×0.1
=0.48
答:... ...