Question

Ребята помогите Срочно!!

Answer 1

#1
138*14=1932
328/41=8
98000/1000:14=98/14=7
#2
P=a+3a+b+b+b
7+7*3+8+8+8=28+24=52
b-x
5+5*3+x+x+x=41
3x=41-20
3x=21:3
x=7
#3
(14+14*3)*t=14t+42t=56t
168/14+14*3=168/56=3
#4
y=2a-3b/30
y=1/15a-1/10b
-1/15a=-1/10b-y:(-1/15)
a=1,5b+15y