（1/24+2/23）*23+1/24簡便運算

（1/24+2/23）*23+1/24簡便運算


（1/24+2/23）*23+1/24
=1/24*23+2/23*23+1/24
=23/24+2+1/24
=2+（23/24+1/24）
=2+1
=3



23×23/24簡便計算


原式
=（24-1）×23/24
=24×23/24-23/24
=23-23/24
=22又1/24.



（5.9+0.35）*2.5,21/1.5-0.15 3.7*99+3.7簡便計算


（5.9+0.35）*2.5
=6.25*2.5
=25/4*5/2
=125/8
21/1.5-0.15
=14-0.15
=13.85
3.7*99+3.7
=3.7*99+3.7*1
=3.7*（99+1）
=3.7*100
=370

Elden Ring Premiere

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