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直接写出得数.639+57=308+456=851-539=406-304=356+564=645-490=278-190=720-400=340+470=247-122=919+81=168+451=

题目详情
直接写出得数.
639+57=308+456=851-539=406-304=
356+564=645-490=278-190=720-400=
340+470=247-122=919+81=168+451=
直接写出得数.
639+57=308+456=851-539=406-304=
356+564=645-490=278-190=720-400=
340+470=247-122=919+81=168+451=

639+57=308+456=851-539=406-304=
356+564=645-490=278-190=720-400=
340+470=247-122=919+81=168+451=
639+57=308+456=851-539=406-304=356+564=645-490=278-190=720-400=340+470=247-122=919+81=168+451=639+57=308+456=851-539=406-304=639+57=308+456=851-539=406-304=356+564=645-490=278-190=720-400=356+564=645-490=278-190=720-400=340+470=247-122=919+81=168+451=340+470=247-122=919+81=168+451=
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答案和解析
639+57=696308+456=764851-539=312406-304=102
356+564=920645-490=155278-190=88720-400=320
340+470=810247-122=125919+81=1000168+451=619
639+57=696308+456=764851-539=312406-304=102356+564=920645-490=155278-190=88720-400=320340+470=810247-122=125919+81=1000168+451=619639+57=696308+456=764851-539=312406-304=102639+57=696639+57=696308+456=764308+456=764851-539=312851-539=312406-304=102406-304=102356+564=920645-490=155278-190=88720-400=320356+564=920356+564=920645-490=155645-490=155278-190=88278-190=88720-400=320720-400=320340+470=810247-122=125919+81=1000168+451=619340+470=810340+470=810247-122=125247-122=125919+81=1000919+81=1000168+451=619168+451=619