Question

1- A- +1-6 =

B- -9+4=

C- -3+6=

d- +23-17=

e- -14+21=

f- +28-11=


2_CALCULE

a_ +20+40=

b_ -31+30=

c_-37+37=

d_ -60-30=

e_-30+18=

f_+85-60=

da uma força aiii
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Answer 1

1
A = -5
B = -5
C = +3
D = +6
E = +5
F = +17

2
A = +60
B = -1
C = 0
D = -90
E = -12
F = +25