(0.2-1⼀8)x1⼀9+1⼀3这题怎么脱式计算?

2025-06-26 12:01:35
推荐回答(1个)
回答1:

脱式计算
(0.2-1/8)x1/9+1/3
=(1/5-1/8)x1/9+1/3
=3/40x1/9+1/3
=1/120+40/120
=41/120