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(1)620+(401-438÷73)(2)460×(82-720÷9)(3)350-(350-350÷70)(4)580-(120×25-2991)
题目详情
(1)620+(401-438÷73) | (2)460×(82-720÷9) |
(3)350-(350-350÷70) | (4)580-(120×25-2991) |
▼优质解答
答案和解析
(1)620+(401-438÷73)
=620+(401-6)
=1015 (2)460×(82-720÷9)
=460×2
=920 (3)350-(350-350÷70)
=350-345
=5 (4)580-(120×25-2991)
=580-9
=571 (1)620+(401-438÷73)
=620+(401-6)
=1015 (2)460×(82-720÷9)
=460×2
=920 (1)620+(401-438÷73)
=620+(401-6)
=1015 (1)620+(401-438÷73)
=620+(401-6)
=1015 (2)460×(82-720÷9)
=460×2
=920 (2)460×(82-720÷9)
=460×2
=920 (3)350-(350-350÷70)
=350-345
=5 (4)580-(120×25-2991)
=580-9
=571 (3)350-(350-350÷70)
=350-345
=5 (3)350-(350-350÷70)
=350-345
=5 (4)580-(120×25-2991)
=580-9
=571 (4)580-(120×25-2991)
=580-9
=571
(1)620+(401-438÷73) =620+(401-6) =1015 | (2)460×(82-720÷9) =460×2 =920 |
(3)350-(350-350÷70) =350-345 =5 | (4)580-(120×25-2991) =580-9 =571 |
=620+(401-6)
=1015
=460×2
=920
=350-345
=5
=580-9
=571
=620+(401-6)
=1015
=460×2
=920
=620+(401-6)
=1015
=620+(401-6)
=1015
=460×2
=920
=460×2
=920
=350-345
=5
=580-9
=571
=350-345
=5
=350-345
=5
=580-9
=571
=580-9
=571
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