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Dumitricaviorel3
a fost răspuns

27:3+42:6+6×9=
90-(5×7-14:2)=
(80-7-14:2):8=
(6×7+50:10)-7×4=
7×9-a=28:4
a-36:4=45:9
72:8+a=4×6
a+4×7=90:10×5​

Răspuns :

Nicolaetonea9

27:3+42:6+6×9=9+8+54=71

90-(5×7-14:2)=90-28=62

(80-7-14:2):8=80:8=10

(6×7+50:10)-7×4=19

7×9-a=28:4

63-a=7

a=63-7

a=56

a-36:4=45:9

a-9=5

a=5+9

a=16

72:8+a=4×6

9+a=24

a=24-9

a=15

a+4×7=90:10×5

a+28=45

a=45-28

a=17

Alte intrebari