4.56乘7.6加54.4乘0.76简便计算
问题描述:
4.56乘7.6加54.4乘0.76简便计算
答
4.56乘7.6加54.4乘0.76
=4.56x7.6+5.44x7.6
=(4.56+5.44)x7.6
=10x7.6
=76
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