Question

Find the value of :
i 8792×997-(792×997)
ii -295×-66+(-295)×(-34)
iii 65129×99-(-65129)
iv (-70)×(10-8-39+107)
Ch 1 integer topic is properties of integer
Please also write property used

Answer 1

Answer:

I know 1st part only

it helps to you

Answer 2

Answer:

i) 8792×997-(792×997)

= (8792-792)×997 [Applying distributive property]

= 8000×997

= 7976000

ii) -295×-66+(-295)×(-34)

= -295(-66+(-34)) [Applying distributive property]

= -295×(-66-34)

= -295×-100

= 29500

iii) 65129×99-(-65129)

= 65129×99+65129

= 65129×(99+1)

= 65129×100

= 6512900

iv) (-70)×(10-8-39+107)

= (-70)×(117-47)

= -70×70

= -4900

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