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递等式计算369+635+331+465(361+361+361+361)×25328×57+328×43102×64-64×2102×643200÷80×132-32
题目详情
递等式计算 369+635+331+465 | (361+361+361+361)×25 | 328×57+328×43 |
102×64-64×2 | 102×64 | 3200÷80×132-32 |
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答案和解析
(1)369+635+331+465
=(369+331)+(635+465)
=700+1100
=1800;
(2)(361+361+361+361)×25
=361×(4×25)
=361×100
=36100;
(3)328×57+328×43
=328×(57+43)
=328×100
=32800;
(4)102×64-64×2
=(102-2)×64
=100×64
=6400;
(5)102×64
=100×64+2×64
=6400+128
=6528;
(6)3200÷80×132-32
=40×132-32
=5280-32
=5248.
=(369+331)+(635+465)
=700+1100
=1800;
(2)(361+361+361+361)×25
=361×(4×25)
=361×100
=36100;
(3)328×57+328×43
=328×(57+43)
=328×100
=32800;
(4)102×64-64×2
=(102-2)×64
=100×64
=6400;
(5)102×64
=100×64+2×64
=6400+128
=6528;
(6)3200÷80×132-32
=40×132-32
=5280-32
=5248.
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