2. Вычисли:
A) -13+7-5+3;
Б) 1-15-18+6;
B) -5,6+1,2+6,8-7,4;
Г) (-6)+(-5)-(-3)-(+7);
Д) (-2)+(-56)-(-37);
E) (+8)-(+5)+(-16);
Ж) (-3)-(-13)-(+5);
3) (+5)+(-23)-(+5)-(-8).
СРОЧНО!!!!!​
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