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urgennttttttttttttttttttttttttttttttt plsssssssss dau coroana ​

Urgennttttttttttttttttttttttttttttttt Plsssssssss Dau Coroana class=

Răspuns :

Răspuns:

a) 8+1-1=8(deorece +1 si -1 se reduc)

b) 2×25-49=50-49=1

sper ca te-am ajutat

DECI A) 2 LA PUTEREA A 3 +1 LA PUTEREA A 3 - 0 LA PUTEREA 7= 9

8+1-0

__

9-0

9

B) 2 × 5 la puterea 2 - 7 la puterea 2= 1

2 × 25 - 49

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50-49

1