Răspuns :

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a×7=84

a=84:7

a=12

v: 12×7=84

c×2=38

c=38:2

c=19

v: 19×2=38

80:b=5

b=80:5

b=16

v: 80:16=5

6×d=96

d=96:6

d=16

v: 6×16=96

72:e=3

e=72:3

e=24

v: 72:24=3

8×f=88

f=88:8

f=11

v: 8×11=88

g:8=12

g=12×8

g=96

v: 96:8=12

h×5=90

h=90:5

h=18

v: 18×5=90

Răspuns:

12,19,16,16,24,11,96,18.

Explicație pas cu pas:

a×7=84

a=84:7

a=12

c×2=38

c=38:2

c=19

80:b=5

b=80:5

b=16

6×d=96

d=96:6

d=16

72:e=3

e=72:3

e=24

8×f=88

f=88:8

f=11

g:8=12

g=12×8

g=96

h×5=90

h=90:5

h=18