9/20*2/3+5/14*7/25= 3 3/4*2/5-3 6/25*5/27= 2 2/5*5/6-3/4*1 2 2/3= 1 17/28*14/9+14/25*5/7=

Question

9/20*2/3+5/14*7/25=

3 3/4*2/5-3 6/25*5/27=

2 2/5*5/6-3/4*1 2 2/3=

1 17/28*14/9+14/25*5/7=

Answer 1

1) 9/20*2/3+5/14*7/25=
0,3+1/10=0.4
2)
3 3/4*2/5-3 6/25*5/27=
3/2-3/5=0,9

Comments

Надоело , помогаю-помогаю, никакой благодарнрсти