Q4. Using distributive property, find the following
99 x 999
1003 x 68
(C) 349 x 20 x 111 - 111 x 20 x 49
(a)
(b)
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(100-1)×(1000-1)
100(1000-1)-1(1000-1)
100000-100-1000+1
98,901
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