Xiaoming's bedroom is 3.2 meters long and 2.5 meters wide. Now we need to lay 0.3 meters long square floor tiles. Is 100 pieces enough (regardless of loss) Can we not use symbols to express urgency directly!

3.2x2.5 = 8 square meters, 0.3x0.3x100 = 9 square meters, 9 is more than 8, enough

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