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
