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Stiind ca:

m= (7-4:4)x3:2
n= (16:4x2-0x99+3x3+1):6

Justifica faptul ca m=3n.


Răspuns :

m= (7-4:4)x3:2 
m= (7-1)x3:2
m= 6*3:2
m= 18:2
m= 9
n= (16:4x2-0x99+3x3+1):6
n= (4*2 + 9+1):6
n = (8+10):6
n=18:6
n=3
m = 3n
9= 3*3
9= 9 Adevarat (deci m=3n)
m=(7-1)×3÷2
m=6×3÷2
m=18÷2
m=9
n=(4×2-0+9+1)÷6
n=(8-0+10)÷6
n=18÷6
n=3
m=3n