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递等式计算.425-(100+2244÷22)(1400-1850÷37)÷53780÷36+172×108-1987(120+780÷130)×84-10000.
题目详情
递等式计算.
425-(100+2244÷22) | (1400-1850÷37)÷5 |
3780÷36+172×108-1987 | (120+780÷130)×84-10000. |
▼优质解答
答案和解析
(1)425-(100+2244÷22)
=425-(100+102)
=425-202
=223;
(2)(1400-1850÷37)÷5
=(1400-50)÷5
=1350÷5
=270;
(3)3780÷36+172×108-1987
=105+18576-1987
=18681-1987
=16694;
(4)(120+780÷130)×84-10000
=(120+6)×84-10000
=126×84-10000
=10584-10000
=584.
=425-(100+102)
=425-202
=223;
(2)(1400-1850÷37)÷5
=(1400-50)÷5
=1350÷5
=270;
(3)3780÷36+172×108-1987
=105+18576-1987
=18681-1987
=16694;
(4)(120+780÷130)×84-10000
=(120+6)×84-10000
=126×84-10000
=10584-10000
=584.
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