Question

E pe luni!!! ex 8 dau multe puncte!!

Answer 1

168-a=60 =>a=108
236-a=180 =>a=56
426:a=71 =>a=6
a×13=325 =>a=25
10(5a+1)+7=967 ; 50a=950 =>a=19
20:a=20 =>a=1
a:8=2 =>a=16
a:19=24 =>a=456
a:13=91 =>a=1183
192:a=6 =>a=32
4b+3=47×19+6 ; 4b+3=899 ; 4b=896 =>b=224