Va rog frumos îmi trebuie in 10min dau coroana

Răspuns:
a) 19⁰+17-(17-16)²=
0+17-1²=
17-1×1=
17-1=
16
c) 8²-7²×7⁰-15=
0
b)2²×5+2²×7-2²=
2×2×5+2×2×7-2×2=
4×5×4×7-4=
20×32-4=
640-4=
636
d) (8²+6²)÷(3²+4²)=
(8×8+6×6)÷(3×3+4×4)=
(64+36)÷(9+16)=
100÷25=
4
Sper ca te-am ajutat!