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(1)433×326-433+675×433(2)2367-(482+1367)(3)56×125(4)600÷8÷5(5)1994-1993+1992-1991+1990-1989.
题目详情
(1)433×326-433+675×433
(2)2367-(482+1367)
(3)56×125
(4)600÷8÷5
(5)1994-1993+1992-1991+1990-1989.
(2)2367-(482+1367)
(3)56×125
(4)600÷8÷5
(5)1994-1993+1992-1991+1990-1989.
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答案和解析
(1)433×326-433+675×433,
=433×(326-1+675),
=433×1000,
=433000;
(2)2367-(482+1367),
=2367-482-1367,
=2367-1367-482,
=1000-482,
=518;
(3)600÷8÷5,
=600÷(8×5),
=600÷40,
=15;
(5)1994-1993+1992-1991+1990-1989,
=(1994-1993)+(1992-1991)+(1990-1989),
=1+1+1,
=3.
=433×(326-1+675),
=433×1000,
=433000;
(2)2367-(482+1367),
=2367-482-1367,
=2367-1367-482,
=1000-482,
=518;
(3)600÷8÷5,
=600÷(8×5),
=600÷40,
=15;
(5)1994-1993+1992-1991+1990-1989,
=(1994-1993)+(1992-1991)+(1990-1989),
=1+1+1,
=3.
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