Question

3. Add without using number line :
(a) 11+(-7)
(b) (-13) + (+18)
(c) (-10) + (+ 19)
(d) (-250) + (+ 150)
(e) (-380) + (-270) (f) (-217) + (-100)​

Answer 1

Answer:

a) 11+(-7)=11-7=4

b) (-13)+(+18)= -13+18=5

c) (-10)+(+19)= -10+19=9

d) (-250)+(+150)= -250+150= -100

e) (-380)+(-270)= -380-270= -650

f) (-217)+(-100)= -217-100= -317

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Answer 2

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