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Bigbrainer4
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3. Efectuați:
a) [(-1+2^2)^3•3^5]: (-9^6): (5^2+2^1)^3;
b) [0^5 +1^7+(-1)^17-(-3)^27: (-3)^26] •2^2+1-|-4|.

Răspuns :

Laurastratulat30

Răspuns:

Explicație pas cu pas:

Vezi imaginea Laurastratulat30
Constandacheella
a)[(-1+4)^3•3^5):(-9^6):(5^2+2^1)^3
[(-1+4)^3•3^5):(-9^6):(25+2^1)^3=
[(-1+4)^3•3^5):(-9^6):(25+2)^3=
(3^3•3^5):(-9^6):(25+2)^3=
(3^3•3^5):(-9^6):27^3=
3^8:(-9^6):27^3=
-3^8:9^6:27^3=
-3^8:3^12:27^3=
-3^8:3^12:3^9=
-3^13=-1/3^13
b)[0+1^7+(-1)^17-(-3)^27:(-3)^26]•2^2+1-|-4|=
[0+1+(-1)^17-(-3)^27:(-3)^26]•2^2+1-|-4|=
[0+1-1-(-3)^27:(-3)^26]•2^2+1-|-4|=
[0+1-1-(-3)]•2^2+1-|-4|=
[0+1-1-(-3)]•4+1-|-4|=
[0+1-1(-3)]•4+1-4=
[0-(-3))•4+1-4=
-(-3)•4+1-4=
3•4+1-4=
12+1-4=9