Question

помогите пж пж пж пж​

Answer 1

b) (8+2/5):(6-9/4)=

1) 42/5:15/4 = 42/5×4/15 = 14/5×4/5 = 56/25

d) 8/12+2/5:6/7=

2) 8/12+2/5×7/6=8/12+1/5×7/3=8/12+7/15=17/15

f) 5/6+7/9×(4/3-1/2)=

3) 5/6+7/9×5/6=5/6+35/54=40/27