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Question

Using appropriate properties, find
(i) 23×35+5235×16
(ii) 25×(37)16×32+114×25

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Solution

(i) 23×3535×16+52
Using the commutative property, we can write the given expression as:
35×2335×16+52

Now, using the distributive property of multiplication over addition,
(35)(23+16)+52

(35)(56)+52=12+52

42=2

Hence, using appropriate properties, 23×3535×16+52=2

(ii) 25×(37)16×32+114×25

Using the commutative property, we can write the same expression as:
25×(37)+114×2516×32

Now, using the distributive property of multiplication over addition, we get:
25×(37+114)14

25×(514)14

1714=1128

Hence, using appropriate properties, 25×(37)16×32+114×25=1128

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