9.99×22.2+33.3x3.34求简算要过程
问题描述:
9.99×22.2+33.3x3.34求简算要过程
答
9.99×22.2+33.3x3.34
=3.33x3x22.2+3.33x10x3.34
=3.33x(66.6+33.4)
=3.33x100
=333
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