Question

resolver-
1) -10-(-4+7-2)+7-4+5-(9+4-8)=

2) 16+3+(-2+7-4)-4+8-(-10+11+4)-6=

3) 15-8+7-(-6+7-9)-4+6-(-2+7-4)-6=

4) -20+8-(-6+5-4)-9+7-8+(-4+8-10)=

5) -14:(-7)+4.(-3)+5.(-2)+5.(-5)-10:(-2)=

6) 100:10-8.(-3)+120:(-60)+4.(-5)-10+8=

7) (-10+20-2)+4.(-3)+5.(-2)+5.(-4)=

Answer 1

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