Question

Виконати дії -2,1*3,8

Answer 1

-2,1*3,8=-(2,1*3,8)=-7,98

Answer 2

-1+(-1)=-(1+1)=-2

Answer 3

-1-7=-1+(-7)=-(7+1)=-8

Answer 4

-1-(-8)=-1+8=(8-1)=7