Răspuns :

Tuckannid
x=56-18
x=38
x=56+18
x=78
y=50-32
y=18
50-32=y
18=y
a=28:7
a=4
a=56:8
a=7
b=4•9
b=36
b=63:7
b=9
spor la teme!
Do544782id

x+18=56

x=56-18

×=38

V:38+18=56

X-18=56

X=56+18

X=74

V:74-18=56

32+y=50

y=50-32

y=18

V:32+18=50

50-y=32

y=50-32

y=18

V:50-18=32

a×7=28

a=28:7

a=4

V:4×7=28

8×a=56

a=56:8

a=7

V:7×8=56

b:4=9

b=9×4

b=36

V:36:4=9

63:b=7

b=63:7

b=9

V:63:9=7

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