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2024-12-09 21:30:18
a) 20,11 x 36 + 63 x 20,11 + 20,11
= 20,11 x 36 + 63 x 20,11 + 20,11 x 1
= 20,11 x (36 + 63 + 1)
= 20,11 x 100
= 2011
đánh giá tớ nha!Cảm ơn nhiều!