5400÷(210-6×5)脱式计算
脱式计算603-(58+21×7)(27+33)×13-46(975-300)÷(300÷12)45+(55÷5)-20532+342÷18×525400÷(210-6×...
脱式计算 603-(58+21×7) (27+33)×13-46 (975-300)÷(300÷12) 45+(55÷5)-20 532+342÷18×52 5400÷(210-6×5)
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(1)603-(58+21×7)
=603-(58+147)
=603-205
=398;
(2)(27+33)×13-46
=60×13-46
=780-46
=734;
(3)(975-300)÷(300÷12)
=675÷25
=27;
(4)45+(55÷5)-20
=45+11-20
=56-20
=36;
(5)532+342÷18×52
=532+19×52
=532+988
=1520;
(6)5400÷(210-6×5)
=5400÷(210-30)
=5400÷180
=30.
=603-(58+147)
=603-205
=398;
(2)(27+33)×13-46
=60×13-46
=780-46
=734;
(3)(975-300)÷(300÷12)
=675÷25
=27;
(4)45+(55÷5)-20
=45+11-20
=56-20
=36;
(5)532+342÷18×52
=532+19×52
=532+988
=1520;
(6)5400÷(210-6×5)
=5400÷(210-30)
=5400÷180
=30.
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