Răspuns :
Răspuns:
2⁴×3⁴-5×=21
16×81-5×=21
1296-5x=21
×=(1296-21)÷5
×=1275÷5
×=255
SPOR LA TEME
2⁴•3⁴-5x=21
6⁴-5x=21
1296-5x=21
-5x=21-1296
-5x=-1275
-5x:(-5)=1275:(-5)
x=1275:5
x=255
Răspuns:
2⁴×3⁴-5×=21
16×81-5×=21
1296-5x=21
×=(1296-21)÷5
×=1275÷5
×=255
SPOR LA TEME
2⁴•3⁴-5x=21
6⁴-5x=21
1296-5x=21
-5x=21-1296
-5x=-1275
-5x:(-5)=1275:(-5)
x=1275:5
x=255