(2^-1 × 5^-1)^-1 ÷ 4^-1 )
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1/(1/2×1/5) ÷ 1/4
= (10)× (4)
40
= (10)× (4)
40
mohit1138:
it is wrong
Answered by
1
(1/2*1/5)^-1÷1/4
(1÷10)^-1×4
(1/10)^-1*4
10*4=40
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