(5分之4-2分之1×5分之2)÷3分之2简便计算

2025-01-19 11:33:05
推荐回答(1个)
回答1:

解: (4/5-1/2×2/5)÷2/3

=(4/5-1/5) *3/2

=3/5 *3/2

=9/10