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0.58×0.35+5.8×3.2+0.058×33这道题怎么简便计算?
展开全部
0.58×0.35+5.8×3.2+0.058×33
=0.58×0.35+0.58×32+0.58×3.3
=0.58×(0.35+32+3.3)
=0.58×(32+3.65)
=0.58×35.65
=20.667
=0.58×0.35+0.58×32+0.58×3.3
=0.58×(0.35+32+3.3)
=0.58×(32+3.65)
=0.58×35.65
=20.667
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