递等式计算(能简便的用简便方法计算).66×32÷16÷118400÷(21×74+26×21)101×999754×52÷26
递等式计算(能简便的用简便方法计算).66×32÷16÷118400÷(21×74+26×21)101×999754×52÷265500÷1255400÷24(856-2...
递等式计算(能简便的用简便方法计算).66×32÷16÷118400÷(21×74+26×21)101×999754×52÷26 5500÷125 5400÷24(856-296+144)-604 154×26-45×26 9800÷(50×49)
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(1)66×32÷16÷11
=(66÷11)×(32÷16)
=6×2
=12;
(2)8400÷(21×74+26×21)
=8400÷[21×(74+26)]
=8400÷[21×100]
=8400÷2100
=4;
(3)101×999
=(100+1)×999
=100×999+1×999
=99900+999
=100899;
(4)754×52÷26
=39208÷26
=1508;
(5)5500÷125
=5500÷125÷8×8
=5500÷(125×8)×8
=5500÷1000×8
=5.5×8
=44;
(6)5400÷24
=5400÷(6×4)
=5400÷6÷4
=900÷4
=225;
(7)(856-296+144)-604
=(856+144)-(296+604)
=1000-900
=100;
(8)154×26-45×26
=(154-45)×26
=109×26
=2834;
(9)9800÷(50×49)
=9800÷50÷49
=9800÷49÷50
=200÷50
=4.
=(66÷11)×(32÷16)
=6×2
=12;
(2)8400÷(21×74+26×21)
=8400÷[21×(74+26)]
=8400÷[21×100]
=8400÷2100
=4;
(3)101×999
=(100+1)×999
=100×999+1×999
=99900+999
=100899;
(4)754×52÷26
=39208÷26
=1508;
(5)5500÷125
=5500÷125÷8×8
=5500÷(125×8)×8
=5500÷1000×8
=5.5×8
=44;
(6)5400÷24
=5400÷(6×4)
=5400÷6÷4
=900÷4
=225;
(7)(856-296+144)-604
=(856+144)-(296+604)
=1000-900
=100;
(8)154×26-45×26
=(154-45)×26
=109×26
=2834;
(9)9800÷(50×49)
=9800÷50÷49
=9800÷49÷50
=200÷50
=4.
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