简便计算. 50×37×4 125×24 360×101 12×68+88×68 85×46-46×75 99×59+59.
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(1)50×37×4
=(50×4)×37
=200×37
=7400
(2)125×24
=125×8×3
=(125×8)×3
=1000×3
=3000
(3)360×101
=360×(100+1)
=360×100+360
=36000+360
=36360
(4)12×68+88×68
=68×(12+88)
=68×100
=6800
(5)85×46-46×75
=46×(85-75)
=46×10
=460
(6)99×59+59
=59×(99+1)
=59×100
=5900
=(50×4)×37
=200×37
=7400
(2)125×24
=125×8×3
=(125×8)×3
=1000×3
=3000
(3)360×101
=360×(100+1)
=360×100+360
=36000+360
=36360
(4)12×68+88×68
=68×(12+88)
=68×100
=6800
(5)85×46-46×75
=46×(85-75)
=46×10
=460
(6)99×59+59
=59×(99+1)
=59×100
=5900
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