Question

Dau coroana si 10 puncte ​

Answer 1

Răspuns:

a) 5×7=x×12.

35=x×12

x=35:12

x=2,91(6)

b) y×96=24×8

y×96=192

y=192:96

y=2

c)15×n=2×3

15×n=6

n=6:15

n=0,4

d)2×2=15×m

4=15×m

m=4:15

m=0,2(6)

e)3×z=8×7

3×z=56

z=56:3

z=18, (6).