Решите a) (5/7+1/21):2 b) (7/10-1/5):3 c) (1/4-1/12)*5 d) (1/4+1/6):10 e) (5/6-1/4):7С...

Question

Решите
a) (5/7+1/21):2
b) (7/10-1/5):3
c) (1/4-1/12)*5
d) (1/4+1/6):10
e) (5/6-1/4):7
С РЕШЕНИЕМ

Answer 1

A) 0.7+0.4=1.1/21=0.05
b)0.7-0.2=0.5/3=0.16
c)0.25-0.08=0.17*5=0.85
d) 0.25-0.16/10=0.016
e) 0.8-0.25=0.55/7=0.07

Answer 2

1) 16/21:2=8/21
2)5/10:3=5/30=1/6
3)2/12*5=10/12=5/6