用不同的方法简算下面各题。
(1)125×88
方法一:
=125×(8×11)
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方法二:
=125×(80 + 8)
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方法三:
=1000÷8×88
=1000×88÷□
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(2)25×44
方法一:
=25×(□×□)
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方法二:
=25×(□ + □)
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方法三:
=100÷4×44
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(3)24×25
方法一:
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方法二:
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方法三:
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(1)125×88
方法一:
=125×(8×11)
=
=
=
方法二:
=125×(80 + 8)
=
=
=
方法三:
=1000÷8×88
=1000×88÷□
=
=
(2)25×44
方法一:
=25×(□×□)
=
=
=
方法二:
=25×(□ + □)
=
=
=
方法三:
=100÷4×44
=
=
=
(3)24×25
方法一:
=
=
=
=
方法二:
=
=
=
=
方法三:
=
=
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答案:
125×8×11@@1000×11@@11000@@125×80+125×8@@10000+1000@@11000@@8@@88000÷8@@11000@@4@@11@@25×4×11@@100×11@@1100@@40@@4@@25×40+25×4@@1000+100@@1100@@100×44÷4@@4400÷4@@1100@@25×(4×6)@@25×4×6@@100×6@@600@@25×(20 + 4)@@25×20+25×4@@500+100@@600@@100÷4×24@@100×24÷4@@2400÷4@@600
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