2⼀3乘以45%除以37.5%乘以1⼀4简便计算

2025-03-23 12:14:35
推荐回答(1个)
回答1:

2/3×45%÷37.5%×1/4
=2/3×9/20÷3/8×1/4
=3/10×8/3×1/4
=4/5×1/4
=1/5