81x2(50x2-98)÷27x2(5x+7)
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Answer:
First solve bracket
(50x2-98)=100-98=2
81x2/2/27x2x5x+7
164/2/27 x 2 x 5x +7
3 x 2 x 5x +7
6 x 5x +7
30x +7 is the answer
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