1、分数计算-12O1422O()1.化简：Ti=oT5V=TT045=o2()223八()3()转化：l=7yT=-O-2-=-通分:1132()111=H=23OOO23_OO_O3+4=IT+T7=?)约分:23142314O11xx=34213421O414-X27124142=XX712128320()(4)21lX2xC-) (6)d1)(-7)17 161716575151_二 4123_ y _， 4ZX 16 103 10To .5，、38(5) 1 X - (6)6-X25 _J_二 J_4 213010524 8. Io143101 214 214U. 8 . . r 3z
2、7l- c 2 , z 4 . 1、/ 75. (I) - (2)- + (- + -) X 94164372254 13(+ -)15 + (- + -)24 (4)15 56 8.239 2 二 46 X 2 2一丁 一5451 1(5)+ l3-+8-1877575(6)3W + 2714 5(1) l-l - (2) X + -(3)- 3 9 951718179156.(31+1)14，一1u23c22593. (1)4F5F5(2)+HH352711711(4)4-(5)(396a184. (I)-3+-(2)-4515，、/8111(4)1-F-410104046921334(4
3、)1-1-+-1-+-(5)1.2510-+3-+26.4l.25575535557.(1)3-1.6251232(2)3.8+1+6.2+3-1473(3)2.5-XO.47(4)2.l+7(3-1.625)12(5)0.25+12.4152(6)2.5-1-)3.753728.(3.4-2-)l-33(2)1.375+22-126(4)1.6-1.6(2-X3)24(3)l-80%(5)(O.68+3.72554a9.(1)1.75-+-1-9947I(3)20.5-l-O.75IO3(5)(1.4+-)1.123210. (1)21-(17.6+2.05)3(3)4.2(-0.12)4(5)2-0.125+18311. (1)(1.88+2)0.125252l-68%)-(6)9.6-(5-220952(2)(3.6+1-)Xll-73Q(4)O.2(2.6+2.7-)9(6)(-O.25)-1623(2)11-1.17510423(4)3.4-2-3425(6)4.92+6-+2.08+4-772IQ(2)5.5-1.75(1-+)321-1.4)52(3)1-(0.6+2.42-)732(4)(1.625-)5.253(5)(8.12-)3.6310341(6)(3.91+3-+6.09+6-)(2-778-1.125)
