Toán Lớp 4: tính nhanh
113 x 54 + 47 x 113 – 113
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Toán Lớp 4: tính nhanh
113 x 54 + 47 x 113 – 113
Comments ( 2 )
= 6102+47x 113- 113
= 6102+5311- 113
= 11413- 113