18÷1.5-0.15怎麼簡便運算

18÷1.5-0.15怎麼簡便運算


18÷1.5-0.15
=18÷3×2-0.15
=6×2-0.15
=12-0.15
=11.85



15.6 + 18.2－15.6 + 18.2怎樣簡便計算？


15.6 + 18.2－15.6 + 18.2 =15.6-15.6+18.2+18.2=0+36.4=36.4

Elden Ring Premiere

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