用简变算托式125*37+125*62+125 99*99+99 = = = = = =

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用简变算托式125*37+125*62+125 99*99+99 = = = = = =
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用简变算托式125*37+125*62+125 99*99+99 = = = = = =
用简变算托式125*37+125*62+125 99*99+99 = = = = = =

用简变算托式125*37+125*62+125 99*99+99 = = = = = =
125×37+125×62+125
=125×(37+62+1)
=125×100
=12500
99×99+99
=99×(99+1)
=99×100
=9900

你好!
125*37+125*62+125
=(62+37)*125
=100*125
=12500
99*99+99
=99*(99+1)
=99×100
=9900
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