Antoniavladut11ask
a fost răspuns

b) x x (4 + 4) = 64
9:3 + x = 11
c) 45 - 27 + 6 x a = 42
72:a + 25 - 18 = 16

pls mult​

Răspuns :

Andreea16087ask
B . Xx(4+4)=64
X=64:8
X=8

9:3+x=11
3:x=11
X=11-3
X=8

C.
45-27+6xa=42
18-6xa=42
6xa=42-18
6xa=24
A=24:6
A=4

72:a+25-18=16
72:a+25=16+18
72:a+25=34
72:a=34-25
72:a=9
A=72:9=8
Succes!

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