Question

std 7
Q.1 find the missing number​

Answer 1

Answer:

Hey mate

a) -3+___+7= -2

4+__= -2

____= -2-4

•°• missing no. is -6.

b) 4+(-7)+____=5

4-7+___=5

-3+____=5

____=5+3

•°• missing no. is 8.

c)____+(-1)+(-9)= -20

____-1-9= -20

___-10= -20

____= -20+10

•°• missing no. is -10.

d)_____+(-5)+(-3)= -4

____-5-3= -4

____-8= -4

____= -4+8

•°• missing no. is 4.

e) _____+(-6)+(-8)= -4

_____-6-8= -4

____-14= -4

____= -4+14

•°• missing no. is 10.

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