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有理數(shù)口算題卡集合-文庫吧資料

2025-03-31 04:02本頁面
  

【正文】 (94)-12(-3)=(95) = (96) -52(-5)2=(97) (-2)2-(-3)2 = (98)(-1)3-81247。(47)如果n為正整數(shù) ,(1)2n= , (48) (1)2n1=(49) -(-2)3= ; (50) -(-2)2=(51) ()+()=_______ (52) ()= __________(53) ()||=__________ (54)(55) (56) __________(57)(-12)+(+5) = (58)(-32)+(-24)=(59) 的相反數(shù)是4, (60) 0的相反數(shù)是 ,(61) -(-4)的相反數(shù)是 (62) 絕對值最小的數(shù)是(63) -3的絕對值是 (64)絕對值是5的數(shù)是__________(65) = (66) -2-3=(67) -= ( 68) =(69) -= (70) =(71) 8+(-)= (72) -5-(-) =(73) 2 = (74) -9+19=(75) -13-(1+) = (76) 247。(-12)= ; (36) -48247。(-5)= ; (34)(-90)247。(1)4=(1) (―3)+(-7)= (2) (+12)+(-29)=(3) = (4) (-)+(-)=(5) (+2)-(+9)= (6) (-)-(+)=(7) = (8) =(9)-3(+2)= (10)(-5)(-2)=(11)= (12) (13) (14)-8=(15) (-3)(+12)= (16)(-)(-4)=(17)(-)(-264)= (18)(19) =
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