Question

va rog acum Urgent dau coroana
1. (7²+29):(3³-1²⁰¹⁹)
2. (5³-5):2³
3. (9²⁷×3¹⁴):27²²
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Answer 1

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