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用简便方法计算.567+136+264;957-(457-325);480÷(12×8);29×101-29.
题目详情
用简便方法计算.
567+136+264; 957-(457-325); 480÷(12×8); 29×101-29.
567+136+264; 957-(457-325); 480÷(12×8); 29×101-29.
▼优质解答
答案和解析
(1)567+136+264
=567+(136+264)
=567+400
=967;
(2)957-(457-325)
=957-457+325
=500+325
=825;
(3)480÷(12×8)
=480÷12÷8
=40÷8
=5;
(4)29×101-29
=29×(101-1)
=29×100
=2900.
=567+(136+264)
=567+400
=967;
(2)957-(457-325)
=957-457+325
=500+325
=825;
(3)480÷(12×8)
=480÷12÷8
=40÷8
=5;
(4)29×101-29
=29×(101-1)
=29×100
=2900.
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