Question

Calculati:
a)1+{2-(3-4)+[6+(7-8)+(9-10]-11}-12=?
b)300+(45+1530-47)-(53-163-40)+
(-400+125)=?
Si rezolvarea va rog dau coroana

Answer 1

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Answer 2

a)1+[2+1+(6-1-1-11)]-12=
1+(2+1-7)-12=
1-4-12=-15
b)300+(1575-47)-(-110-40)+(-275)=
300+1528+150-275=
1828+150-275=
1828-125=1703