Question

Afla numarul necunoscut.
a x 7 = 56 a x 5 = 45 6 x a = 48 9 x a =72
a = a = a = a =

a x 7 = 28 35 = a x 7 45 : a = 9 a x 8 = 40
a = a = a = a =
Model : a x 9 = 54
a = 54 : 9
a = 6
V : 6 x 9 = 54

Answer 1

Răspuns:

a x7=56

a=56:7

a=8

v: 8x7=56

a x5=45

a=45:5

a=9

v: 9x5=45

6xa=48

a=48:6

a=8

v: 6x8=48

9xa=72

a=72:9

a=8

v: 9x8=72

ax7=28

a=28:7

a=4

v: 4x7=28

35=ax7

a=35:7

a=5

v: 35=5x7

45:a=9

a=45:9

a=5

v: 45:5=9

ax8=40

a=40:8

a=5

v: 5x8=40