如题所述
125乘以8等于1000,这个等式必须记牢。然后再看48,48=6*8,所以48*125=6*(125*8)=6000
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第1个回答 2016-03-28
48x125
=6x8x125
=6x1000
=6000
=6x8x125
=6x1000
=6000
第2个回答 2016-03-28
48x125
=125x48
=125x(8x6)
=125x8x6
=1000x6
=6000
=125x48
=125x(8x6)
=125x8x6
=1000x6
=6000
第3个回答 2016-03-28
48×125
=6×8×125
=6×1000
=6000追问
=6×8×125
=6×1000
=6000追问
问你一道题
行吗?
怎莫写
645减180减245简便运算
怎莫这
怎莫写
行吗?
追答645-180-245
=645-245-180
=400-180
=220