Question

n - 7 = 13
m +9= 42
n
m
n
=
m
V:
V:
a +8= 50
2 + b = 45
a
b
a
b =
V​

Answer 1

Răspuns:

n-7=13

n=13+7=20

m+9=42

m=42-9=33

Verificare=20-7=3

verificare=33+9=42

a+8=50

a=50-8=42

2+b=45

b=45-2=43

verificare=42+8=50

verificare=2+43=45