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分數(shù)乘除法簡便運算100題有答案資料50444-免費閱讀

2025-07-21 13:00 上一頁面

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【正文】 = (98) = = = 1(99)325 + 6 = 325 + (25+)6 = 325 + 256 + 6 = (+) + 8 = 254 + 80 = 334(100)(9+7)247。[(-)247。= (56)247。41 (95)39 + 25 + (96)1(2 )+ 15 247。9 (68) 247。+247。[(+)](57) + (58)3 (59) (60) (61) (32+17)247。] (75) 153 – 53(76)(+)247。= (30)(15) = (32) = (32)254= 103 (33)54( )=3 (34)=109(36) =0 (36) =19 (38) =58 (38) =7 (39) = (40) =750(42) =64 (42) =5 (43) =60(45) + =2 (45) 101 =16 (46) +15 =10 (47)8247。[(+)] = (69)(+)30 =49 (70)-247。 = 1 + 15= (1 + 15)= 21(97)2000247。[5(+)]= 65247。()] =(78) (+)1511 =67 (79)=3(80) 46=44 (
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