Question

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$5 {}^{x} \times 5 {}^{x + 1} =$
​

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

Răspuns:

Explicație pas cu pas:

a)

3¹²:3¹⁰+(3*5)¹⁰:15⁹-2011⁰*1²⁰¹¹=

3¹²⁻¹⁰+15¹⁰:15⁹-0*1²⁰¹¹=

3²+15¹⁰⁻⁹-0=

3²+15¹=

9+15=

24

b)

4¹³:8⁶+7³-5²x [625:5⁴+16:(7*3²-55)=

(2²)¹³:(2³)⁶-5²x[5⁴:5⁴+4²: (63-55)=

2²ˣ¹³:2³ˣ⁶-5²x[5⁴⁻⁴+4²:8=

2²⁶:2¹⁸-5²x5⁰+16:8=

2⁴-25x0+2=

16-0+2=

16+2=

18

c)

18x[1+3⁷x3⁵³+7⁸⁴:7¹⁴+5⁴ˣ²⁰]:(13⁰+3⁶⁰+7⁷⁰+5⁸⁰)=

18x[1+3⁷⁺⁵³+7⁸⁴⁻¹⁴+5⁸⁰]:( 0+3⁶⁰+7⁷⁰+5⁸⁰)=

18x(1+3⁶⁰+7⁷⁰+5⁸⁰):(3⁶⁰+7⁷⁰+5⁸⁰)=

18x (1+1+1+1)=

18x4=

72