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7 – 9 = -2
17
-(-21) = -38
(-5)+(-8)= (-6) +-5
– (23) +32 = (+32 ) + (-23)
-​

By Sadie

7 – 9 = -2
17
-(-21) = -38
(-5)+(-8)= (-6) +-5
– (23) +32 = (+32 ) + (-23)
-​

About the author
Sadie

the speed of a boat in still water is 18 km/hr.It can go 48km upstream and return to the original point in 6 hours find the speed

A rectangular piece of dimensions 3 cm X 2 cm was cut from a rectangular sheet of paper of dimensions 6 cm X 5 cm. Find the area

1 thought on “7 – 9 = -2<br />17<br />-(-21) = -38<br />(-5)+(-8)= (-6) +-5<br />– (23) +32 = (+32 ) + (-23)<br />-​”

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