Question

Completează:
a)4×3⁶+7×3⁷=( )²
b.4×5²⁰+9×5²¹=( )²
c.2¹⁰+3×2¹⁰+5×4⁵=( )²
URGENT!!!​

Answer 1

Explicație pas cu pas:

a) 3⁶(4+7•3)=3⁶•25=3⁶•5²=(3³)²•5²=27²•5²= (27•5)²=135²

b) 5²⁰(4+9•5)=5²⁰•49=5²⁰•7²=(5¹⁰)²•7²=

(5¹⁰•7)²

c) 2¹⁰+3•2¹⁰+5•(2²)⁵= 2¹⁰+3•2¹⁰+5•2¹⁰=

2¹⁰(1+3+5)=2¹⁰•9=(2⁵)²•3²=(32•3)²=96²