Question

Afla numarul ne cunoscut :
a×7 =42
8×a =32
72 :a = 8
63 ÷ a = 7
a×6 =54
9×a =90
a ÷ 4 = 10
a ×7=9

Answer 1

1)6,2)4 ,3)9 4)9 5)9 6)10 7)40

Answer 2

42:7=6
32:8=4
72:8=9
63:7=9
54:6=9
90:9=10
10×4=40
7×9=63