Răspuns:
1. (7²+29):(3³-1²⁰¹⁹)=
(49+29):(27-1)=
20:26=0,76
2. (5³-5):2³=
(125-5):8=
120:8=
15
3. (9²⁷×3¹⁴):27²²=
[(3²)²⁷×3¹⁴):(3³)²²=
3²ˣ²⁷⁺¹⁴:3³ˣ²²=
3⁶⁸:3⁶⁶=
3⁶⁸⁻⁶⁶=
3²=9
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Răspuns:
1. (7²+29):(3³-1²⁰¹⁹)=
(49+29):(27-1)=
20:26=0,76
2. (5³-5):2³=
(125-5):8=
120:8=
15
3. (9²⁷×3¹⁴):27²²=
[(3²)²⁷×3¹⁴):(3³)²²=
3²ˣ²⁷⁺¹⁴:3³ˣ²²=
3⁶⁸:3⁶⁶=
3⁶⁸⁻⁶⁶=
3²=9