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afla nr necunoscut. a×5=35 ;b ×4=16; 30:c=5; 36:d=4​

Răspuns :

a=35:5

a=7

b=16:4

b=4

c=30:5

c=6

d=36:4

d=9

Răspuns:

a×5=35

a=35÷5

a=7

b×4=16

b=16÷4

b=4

30:c=5

c=30÷5

c=6

36÷d=4

d=36÷4

d=9