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脱式计算.645÷3÷549×9÷7(902-284)÷6677+549÷972×16-648.
题目详情
脱式计算.
645÷3÷5
49×9÷7
(902-284)÷6
677+549÷9
72×16-648.脱式计算.
645÷3÷5
49×9÷7
(902-284)÷6
677+549÷9
72×16-648.
645÷3÷5
49×9÷7
(902-284)÷6
677+549÷9
72×16-648.脱式计算.
645÷3÷5
49×9÷7
(902-284)÷6
677+549÷9
72×16-648.
▼优质解答
答案和解析
(1)645÷3÷5
=215÷5
=43
(2)49×9÷7
=441÷7
=63
(3)(902-284)÷6
=618÷6
=103
(4)677+549÷9
=677+61
=738
(5)72×16-648
=1152-648
=504
=215÷5
=43
(2)49×9÷7
=441÷7
=63
(3)(902-284)÷6
=618÷6
=103
(4)677+549÷9
=677+61
=738
(5)72×16-648
=1152-648
=504
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