Question

Află factorul necunoscut​

Answer 1

a) a×4=32

a=32:4

a=8

8×a=72

a=72:8

a=9

42:a=7

a=42:7

a=6

b)m:9=7

m=9×7

m=63

54:m=6

m=54:6

m=9

6×m=24

m=24:6

m=3

c)72:x=9

x=72:9

x=8

x:7=6

x=7×6

x=42

x:6=9

x=9×6

x=54

Answer 2

Află factorul necunoscut:

a) a×4=32

a=32÷4

a=8

8×a=72

a=72÷8

a=9

42÷a=7

a=42÷7

a=6

b) m÷9=7

m=7×9

m=63

54÷m=6

m=54÷6

m=9

6×m=24

m=24÷6

m=4

c) 72÷x=9

x=72÷9

x=8

x÷7=8

x=7×8

x=56

x÷6=9

x=6×9

x=54

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