Underline the correct item 1.When/Then we watch a film at the cinema, we eat chocolates and popcorn. 2.He has breakfast when/before he leaves for school.

1. When/Then we watch a film at the cinema, we eat chocolates and popcorn.
2. He has breakfast when/before he leaves for school.
3. Mary tidies her room on Saturdays. After that/And she plays outside with her friends.
4. First, we take showers and then/before we get dressed.

3,01; 3,22; 3,85; 3003; 3,408

ответ:

пошаговое объяснение:

-4х-8,9*(9-2х)=-4х-80,1+17,8х=13,8х-80,1

1/3*(12-2,1y)+0.3y=4-0.7y+0.3y=4-0.4y

6*(3x-2)+4*(5x-1)=18x-12+20x-4=38x-16

-7*(3-4c)+14*(0.5+2c)=-21+28c+7+28c=56c-14

3*(2.1x-y)-2.8*(2x-3y)=6.2x-3y-5.6x+8.4y=0.6x+5.4y

0.4*(8t+7)-1.6*(2t-3)=3.2t+2.8-3.2t+4.8=7.6