Question

упр 406 пжжжжжжжжжжжжжжжжжжжж

Answer 1

1) 0,25+(-4/5)+(-9/20)=0,25+(-0,8)+(-0,45)=-1

2) -0,2+1/6+(-8 1/15)=-2/10+1/6-121/15=6^(-1/5)+5^(1/6)-2^(121/15)=-6+5-242/30=-243/30=-81/10=-8 1/10

3)

Answer 2

СПАСИБО БОЛЬШОЕ

Answer 3

а 3 и 4