﹎口算╰

3/5×1/2 = 3/10
1/2÷3 = 1/6
10÷5/7 = 14
3/4×2/3 = 1/2
3/8×12 = 9/2
1/3—1/5 = 2/15
3/4÷6 =1/8

3/10
1/6
14
1/2
9/2
2/15
1/8
这题出的...太有档次了！！！！

3/5×1/2 = 3/10
1/2÷3 = 1/6
10÷5/7 = 14
3/4×2/3 = 1/2
3/8×12 = 9/2
1/3—1/5 = 2/15
3/4÷6 =1/8

兄弟,你不会吧.这些不会?

3/5×1/2 = 3/10
1/2÷3 =1/6
10÷5/7 = 14
3/4×2/3 =1/2
3/8×12 = 4.5
1/3—1/5 = 2/15
3/4÷6 =1/8

3/7 , 1/6,14,1/2,9/2,2/15,1/8