3、用递等式计算下面各题。 (1)1.5×3分之16-4分之3÷0.35

2024-12-04 14:12:12
推荐回答(1个)
回答1:

(1)1.5*3分之16-4分之3/0.35
=(3/2)*(16/3)-(3/4)/(35/100)
=8-(3/4)/(7/20)
=8-15/7
=41/7
(3)0.6:0.2=( ):1/4
0.6:0.2=3/4:1/4
(4)0.2/[5/6/(3/20+9/20)]
=0.2/(5/6 / 3/20)
=1/2 / 50/9
=9/100