如题所述
125x16
=(100+25)x(10+6)
=100x10+25x6
1000+150
=1150追答
=(100+25)x(10+6)
=100x10+25x6
1000+150
=1150追答
125x16
=(100+25)x(10+6)
=100x10+25x6
=1000+150
=1150
125x16
=125x(10+6)
=125x10+125x6
=1250+750
=2000
125x16
=125x(10+6)
=125x10+125x6
=1250+750
=2000
125x16
=125x(10+6)
=125x10+125x6
=1250+750
=2000
上两个错了
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