Răspuns:
Explicație pas cu pas:
1.
a) 2³+5²+3^4+4²=8+25+81+16=130
b) 3·4+135-2·16=12+135-32=115
2.
a) 2^21·2^23:2^31=2^(21+23-31)=2^13
b)3^18:3^6·(3²)³=3^12·3^6=3^(12+6)=3^18
c) 2^(3·14)·5^14:2^42+5^9:5^6-5^12·5²=5^14+5^4-5^14=5^4