三十二分之十五乘五分之四加三十二分之七乘五分之四的积除以九分之八

2024-11-15 20:55:37
推荐回答(1个)
回答1:

15/32×4/5+7/32×4/5÷8/9
=3/8+7/32×4/5×9/8
=3/8+63/320
=120/320+63/320
=183/320