Simplify : 3 × 9+1− 9 × 32 / 3 × 32+3− 9+1
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=31+2n+3−32n+231+2n+2−32+2n=34+2n −32n+233+2n−32+2n. =32n(34−32)32n− (33−32). =81−927−9. =7218. =41.
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