Toán Lớp 6: Tính nhanh các phép tính sau:
a)8.17.125=(8.125).17 b)4.37.25=(25.4).37
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Toán Lớp 6: Tính nhanh các phép tính sau:
a)8.17.125=(8.125).17 b)4.37.25=(25.4).37
Comments ( 2 )
=(8xx125)xx17
=1000xx17
=17000
=(25xx4)xx37
=100xx37
=3700