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初一数学有理数与整式加减百题竞赛

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3= Р (40) (-1)31= (42)(-0.1)2= (43)05= (44)-72= Р(45)(-2.8)+(+1.9)= (46)= Р(47) ,(48) (49)-+(+)= Р(50)90-(-3)= (51)-0.5-(+7)= (52)-(-3)+2.75= Р(53)(-5)-(-2)=_________ (54)(-3)-(-3)=_______(55)(-5)+(-3)= Р(56)(+6)+(-2) = (57)(+3.375)+(-1.375)= Р(58)(-1.92)+(-0.08)= (59)= (60)= Р(61)= (62)0.030精确到分位Р(63)(-4)+(-6)= (64) (+15)+(-17)= (65)-3+3= Р(66)(-23)+(-12)= (67)(-2008)+2008= (68) 0+(-7)= Р(69) 0-12?= (70) -12-34= (71) 8+(-2)= Р(72)(5-6)-(7-9)= (73)-(-7)+(-2)= Р(74)-│-3│= (75)+│-0.27│= (76)-│+26│= Р(77)-(+24)= (78)(-7)-(-4)-(+5)= (79)(+3)×(-2)= Р(80)0×(-4)= (81)1×(-1)= (82)(-15)×(-)= Р(83)-│-3│×(-2)= (84)(-2)×(-3)×(-5)= Р (85)(-9.89)×(-6.2)×(-26)×(-30.7)×0= Р(86) (87)= Р(88)3-= (89)-0.25+= Р(90) = (91) = Р(92)= (93)= Р(94)= Р(95)(-2)2-(-2) 3= (96)-2+6= Р(97)6-2(4-2)= (98)= Р(99)= (100)-3-2=

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