解：125x(35+8）=125×（35+5+3）=125×（40+3）=5000＋375=5375
125x(35+8)
=125x(5x7+8)
=125x(5x8-5+8)
=125x(6x8-5)
=125x8x6-125x5
=1000x6-625
=6000-625
=5375
125x(35+8)
= 125 x (32 + 3 + 8)
= 125 x (40 + 3)
= 125x40 + 125x3
= 5000 + 375
= 5375
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