Question

 чему будить равно ?

A)2/3-0.2

b)1.1/2*2.4

c)2:7/8

d)(1/4+3/5):2 

Answer 1

а) 14/30= 7/15

б)=3/2*40/10=60/10=6

в)=2/1 :7/8=2/1*8/7=16/7=2.2/7

г)=(5/20+12/5):2=17/20 :2/1=17/20*1/2=17/40

       

Answer 2

а)= 2/3-2/10=14/30 или 0,46

б)=3/2*40/10=60/10=6

в)=2/1 :7/8=2/1*8/7=16/7=2.2/7

г)=(5/20+12/5):2=17/20 :2/1=17/20*1/2=17/40