请审阅
24÷6/7x5/14=24X7/6X5/14 (约分)=2X5=1O(2/3-1/9)÷4/9=2/3x9/4一1/9X9/4=3/2-1/4=5/4要简算
好的
24/6/7*5/14=24*7/6*5/14=24*5/12=10(2/3-1/9)/4/9=2/3/4/9-1/9/4/9=3/2-1/4=5/4
24÷6/7x5/14=24*49/15=392/5(2/3-1/9)÷4/9=5/9*9/4=5/4