1. Evaluate 125 x 999 using number pattern.
2. Show that 72 x ( 69 x 5 ) = ( 72 x 69 ) x 5.
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Answered by
1
Step-by-step explanation:
1.
125× 999
(125×1000)-(125×1)
125000-125
124875
2.
72(69×5)=(72×69)×5
72(345)=(4968)×5
72×345=4968×5
24840=24840
L.h.s=R.h.s(proved)
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