0350210怎樣列式02解決含有未知數的加減算式(選擇01)
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29 points
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29 points
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30 points
(1) 媽媽帶若干元出門,買菜花掉200元後,還剩下425元,媽媽帶多少元出門?
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(2) 甲有80元,乙有62元,甲要給乙幾元,兩個人的錢才會一樣多?
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(3) 有甲、乙、丙三數,若甲-1=乙+3=丙-4,則甲、乙、丙的大小關係為何?
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(4) 如下圖,角A=■,角D=▲,▲-■的答案是多少?
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