Question

cine ma ajuta la ex 2dau coronita

Answer 1

a+124×84=230×65
a+124×84=14950
a+10416=14950
a=14950-10416
a=4534

39×280-b=20×80
39×289-b=1600
11271-b=1600
b=11271-1600
b=9671

c-320×60=425×40
c-320×60=17000
c-19200=17000
c=19200+17000
c=36200

57×620-d=40×350
57×620-d=14000
35340-d=14000
d=35340-14000
d=21340

Sper ca te-am ajutat