Question

9: (-7) + (-3) + (-2 ) = 10: (-1) + (-2) + (-3) + (-3) = 11: (+9) + (-3) + (-6) = 12: (+11) + (-9) + (-3) = 13: (-17) + (-15) + (+32) = 14: (-7) + (+7) + (+1) = 15: (-9) + (+9) + (+11) = 16: (+17) + (-11) + (+17) + (-34) = 17: (+21) + (+24) + (+26) + (+69) = 18: (+49) + (+31) + (-24) + (+17) = 19: (+11) + (-7) + (-3) + (-4) = 20: (-3) + (-1) + (-1) + (-1) + (+6) =

Answer 1

Respuesta:

1)−7−3−2

=−10−2

=−12

2) −1−2−3−3

=−3−3−3

=−6−3

=−9

3) 9−3−6

=6−6

=0

4)11−9−3

=2−3

=−1

5) −17−15+32

=−32+32

=0

5) −7+7+1

=0+1

=1

6) −9+9+11

=0+11

=11

6) 17−11+17−34

=6+17−34

=23−34

=−11

Explicación paso a paso: