Question

Scrieți folosind puteri, apoi calculați : a)7×7+3×3×3 ; c)8×8×2×2×2×2 ; b)16×16-12×12+15×15 ; d)11×11+1×1×1×1-10×10.

Answer 1

7 la puterea 2 +3 la puterea 3=49+27=76

8 la puterea 2 +2 la puterea 4=64×16=1024

16 la puterea 2 - 12 la puterea 2+ 15 la puterea 2=256-144+225=337

11 la puterea 2+1 la puterea 4 - 10 la puterea 2=121+4-100=25

Answer 2

a)42+27=69

c)64+16=80

d)121+1-100=120