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递等式计算(能巧算的要巧算)125×9-125724-47+176-536208÷32-7975×32+6875×32+75×68(764-536)×46.
题目详情
递等式计算(能巧算的要巧算)
125×9-125 724-47+176-53 6208÷32-79 125×9-125 724-47+176-53 6208÷32-79 75×32+68 75×32+75×68 (764-536)×46. 75×32+68 75×32+75×68 (764-536)×46.
125×9-125 | 724-47+176-53 | 6208÷32-79 |
75×32+68 | 75×32+75×68 | (764-536)×46. |
125×9-125 | 724-47+176-53 | 6208÷32-79 |
75×32+68 | 75×32+75×68 | (764-536)×46. |
▼优质解答
答案和解析
(1)125×9-125
=125×(9-1)
=125×8
=1000;
(2)724-47+176-53
=(724+176)-(47+53)
=900-100
=800;
(3)6208÷32-79
=194-79
=115;
(4)75×32+68
=2400+68
=2468;
(5)75×32+75×68
=75×(32+68)
=75×100
=7500;
(6)(764-536)×46
=228×46
=10488.
=125×(9-1)
=125×8
=1000;
(2)724-47+176-53
=(724+176)-(47+53)
=900-100
=800;
(3)6208÷32-79
=194-79
=115;
(4)75×32+68
=2400+68
=2468;
(5)75×32+75×68
=75×(32+68)
=75×100
=7500;
(6)(764-536)×46
=228×46
=10488.
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