分数混合运算专项练习430题有答案ok.doc

分数混合运算专项练****430题(有答案)
(1)+×
(2)×﹣×
(3)3
(4).
(5)﹣(+)
(6)2﹣÷﹣
(7)÷8+×
(8)÷+×
(9)×+×
(10)12×(75%+)
(11)20÷÷.

(12)﹣﹣+
(13)87×
(14)÷5+5÷
(15)÷(﹣×)
(16)
(17)
(18)
(19)÷(﹣)÷,
(20)〔+(﹣)〕÷,
(21)42÷(÷),
(22)(﹣)÷,
(23)×+÷3,
(24)12×(÷),
(25)×7+×7,
(26)9×÷9×,
(27)(+)÷,
(28)×19﹣,
(29)(+)×32,
(30)÷÷,
(31)×87+12÷,
(32)48×(),
(33)÷[×()],
(34)[1﹣()]×,
(35),
(36)
(37)
(38)
(39)
(40)+÷+,
(41)÷7+×,
(42)2﹣÷﹣,
(43)×(+)+,
(44)×+×,
(45)3﹣﹣,
(46)×+÷5,
(47)(﹣)÷+,
(48)+(+)×,
(49)×÷(﹣),
(50)(﹣)×100,
(51)×+×,
(52)×+÷,
(53)(12×﹣)÷,
(54)÷〔(+)×],
(55)(×27﹣)×,
(56)××18×
(57)×13+×27
(58)+×5+×2
(59)7×13×(﹣)
(60)×40
(61)÷++
(62)×(+)+
(63)78×
(64)÷(+)
(65)×÷,
(66)÷( +),
(67)×7+×11,
(68),
(69)(15+)×,
(70)﹣×,
(71)13×+×15,
(72)87×,
(73)××32,
(74)+×,
(75)×+×,
(76)25×××,
(77)3÷﹣×,
(78)÷[(+)÷],
(79)÷7×,
(80)×4,
(81)×﹣×,
(82)(1﹣×)×,
(83)﹣,
(84)××,
(85)×72﹣×23,
(86)×25×40×,
(87)﹣(+)
(88)+(+)
(89)﹣(﹣)
(90)1﹣﹣.
(91)×19+5×
(92)×13×30
(93)×+×+
(94)×+×.
(95)(﹣)×36,
(96)×32×,
(97)×﹣×,
(98)3﹣1﹣,
(99)÷÷,
(100)[4﹣(﹣)]×,
(101)20×+4×,
(102)÷+4×,
(103)×10%+×910%,
(104)(﹣)××8,
(105)++,
(106)10﹣﹣,
(107)+﹣+;
(108)+++,
(109)3﹣﹣﹣,
(110)15﹣5÷12﹣,
(111)15×÷
(112)30×(+﹣)
(113)×+40%×
(114)10﹣(+×2)
(115)+×﹣
(116)[(﹣1)÷]×
(117)12×(+),