21.36除以0.8-13.36除以0.8怎樣簡算？

21.36除以0.8-13.36除以0.8怎樣簡算？


21.36÷0.8-13.36÷0.8
=（21.36-13.36）÷0.8
=8÷0.8
=10



2除以111等已多少
一定要精確


除了就是無限小數了
小數：約等於0.018
分數：2/111



2.07除以0.023豎式





（2.992+29.92+299.2）除以0.111


=（2.992+2.992×10+2.992×100）÷0.111
=2.992×（1+10+100）÷0.111
=2.992×111÷0.111
=2.992×1000
=2992

Elden Ring Premiere

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