(1) (-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75) (2) (-22.5)÷(-18)÷(-0.25)计算
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![(1) (-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75) (2) (-22.5)÷(-18)÷(-0.25)计算](/uploads/image/z/108449-17-9.jpg?t=%EF%BC%881%EF%BC%89+%EF%BC%88-3%E5%8F%883%E5%88%86%E4%B9%8B1%EF%BC%89%C3%B72%E5%8F%885%E5%88%86%E4%B9%8B4%C3%B7%EF%BC%88-3%E5%8F%888%E5%88%86%E4%B9%8B1%EF%BC%89%C3%B7%EF%BC%88-0.75%EF%BC%89+%EF%BC%882%EF%BC%89+%EF%BC%88-22.5%EF%BC%89%C3%B7%EF%BC%88-18%EF%BC%89%C3%B7%EF%BC%88-0.25%EF%BC%89%E8%AE%A1%E7%AE%97)
(1) (-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75) (2) (-22.5)÷(-18)÷(-0.25)计算
(1) (-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75) (2) (-22.5)÷(-18)÷(-0.25)
计算
(1) (-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75) (2) (-22.5)÷(-18)÷(-0.25)计算
(1) (-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75)
=10/3÷14/5÷25/8÷3/4
=25/21÷25/8÷3/4
=8/21÷3/4
=32/63
(2) (-22.5)÷(-18)÷(-0.25)
=-22.5÷18÷0.25
=-1.25÷0.25
=-5
(1)(-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75)
=(-10/3)÷(14/5)÷(-25/3)÷(-0.75)
=(-10/3) x (5/14) x (-3/25) x (4/3)
=2x4÷(3*14)
= 4/21
(2) (-22.5)÷...
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(1)(-3又3分之1)÷2又5分之4÷(-3又8分之1)÷(-0.75)
=(-10/3)÷(14/5)÷(-25/3)÷(-0.75)
=(-10/3) x (5/14) x (-3/25) x (4/3)
=2x4÷(3*14)
= 4/21
(2) (-22.5)÷(-18)÷(-0.25)
=(-45/2)÷(-18)÷(-1/4)
=45/2 x 1/18 x4
=5*9*4/(4*9)
=5
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