35.89-(16.8+5.89)这道题怎么做

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摘要 35.89-(16.8+5.89)=35.89-16.8-5.89=35.89-5.89-16.8=30-16.8=13.2

咨询记录 · 回答于2021-04-27

35.89-(16.8+5.89)这道题怎么做

35.89-(16.8+5.89)=35.89-16.8-5.89=35.89-5.89-16.8=30-16.8=13.2

12.35×97+0.3×123.5

怎么做

12.35×97+0.3×123.5= 12.35×97+3×12.3=12.3×（97+3）=1230

谢谢

4ⅹ－12.5=3.56

4x=3.56+12.5x=（3.56+12.5）/4=16.06/4=4.015

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