45.36+19.8+32.75简便算法
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45.36+19.8+32.75
=45.36+32.75+19.8
=45.36+32.64+0.11+20-0.2
=78+20+0.11-0.2
=97.91
咨询记录 · 回答于2022-06-01
45.36+19.8+32.75简便算法
45.36+19.8+32.75=45.36+32.75+19.8=45.36+32.64+0.11+20-0.2=78+20+0.11-0.2=97.91
亲,凑整法
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