Toán Lớp 5: tính 1 cách hợp lý
48.54+48.125-79
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Toán Lớp 5: tính 1 cách hợp lý
48.54+48.125-79
Comments ( 2 )
48\times54+48\times125-79
=48\times(54+125)-79
=48\times179-79
=8592-79
=8513