简便运算25x64 +125x50?
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解答如下
25×64+125×50
=25×64+25×5×50
=25×64+25×250
=25×(64+250)
=25×314
=25×300+25×10+25×4
=7500+250+100
=7500+350
=7850
25×64+125×50
=25×64+25×5×50
=25×64+25×250
=25×(64+250)
=25×314
=25×300+25×10+25×4
=7500+250+100
=7500+350
=7850
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简便计算如下
=25x2x32+50x125
=50x32+50x125
=50x(32+125)
=50x157
=100x78.5
=7850
=25x2x32+50x125
=50x32+50x125
=50x(32+125)
=50x157
=100x78.5
=7850
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25x50x125x64
=25x50x125x(8x4x2)
=(25x4)x(50x2)x(125x8)
=100x100x1000
=10000000
=25x50x125x(8x4x2)
=(25x4)x(50x2)x(125x8)
=100x100x1000
=10000000
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25*64+125*50
=25*4*16+6250
=1600+6250
=7850
=25*4*16+6250
=1600+6250
=7850
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