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1、3.7,33.23(1)7=4+7*7(2)6=(3+)8,141,3,5(3)13=6+6 X13(4)48义(8+16+24).7,43(5)(40.5)+20(6)2547311,5(7)4 X4.614 X3.6(8)4+(2+0.75)X 1.22g43(11)9 X7+3(12)(1+4)1523(13)(45)(11)8).(23)11(14)(1009)X(7)33(15) 1 :4 4 1,11,1.1(16)(29+3)365546(19) 9 X6 +9 55(20) 9 34 _ 811 + 9 11(17)115 X(3+ E ) E (18)62.5%X3+0.62
2、5X7+5 X651,1154,5(21)6(而+6)1X17(22)(17X9+9 X 17)+3411323(23)(5一至 X75%)+0.25(24)5X一彳23834(25)92 (33 +0.4)(26)7.8 X1 +2.2X20%7 .8(27)34.715 +65.3一万11+61324)X12(29)0.25X32X12.57(30)骁3111X4 (20 2 )(31)2 X67+33X2(32)1.|.扁+得)(33)46X8-120.15(34)|+(42)x|(35)(12.5X8-40)+0.6(36)4+24+4+31873733(37)3.4X2.77+0.2
3、3X3.4(38)7+4+7 X7237(39)6+(3+2)(40)(40.5).2043(41)2-5 -473(42) 4 X4.6-14 X3.6727(44) 11 =5 -(1-10 )115(43)44-(2+0.75)X 1.2-26731432135(45标 X14-5(46)9 X7+3(46)(6+,)12351111(47)(4-8)-(2-3)(48)(100-9)X(7-)3382117(49)1 h4-4-1(50)515-9-9L 11,1.(51)( 2 9 + 3)丁13611,1.(52)万 x( 3 + 11k112,555,46(53)62.5%X3+
4、0.625X7+ g X6(54)9 Xg +9+5534851,115(55)911+911(56)6(10+6)X174(57)(17X9+59X17)+34(58)(121 X75%)+0.25.8.-14,1,3,5(59)13=6+6 X13(60)48X(8+16+24)8.93,1“一4,1,5(61)498(7+8)(62)9X(9+14)+14(63) 15 ( 12 8 + 8 )195(64) 7 X13 丁 14313(65)( X 13+37.37(69) 8 +(225%4 )(70)蚤 *4+ 4 X| X 31(66)(或+)X9X17/5,72/_,13,6(
5、67)(24+123) X 48(68)0.25*7+7 X 4+74377335(71)20X(54)X15(72)8-9X5花25,21351(73)5 X18+5 X18(74)12=(63)20(75)3X(150-1530.15)(76)8+(；+$)X3(77)(10.95)+0.01(78)13+(15+5)(79)51113(80)5 x +0.6 x 14514(81)123 J 03723(82)274(83)1111112*4*8+16+32*64(85)13 x417(87)301 x 24*152 x 333724143 x 27(89)112.83-x 52.815 J2/13)131.1* x (84)15(86)7(88)31 xf 7131工11126*130222112,3)(91)(93)5二3_ 7 39 丁 2 - 18 X 4(94)215(3 1.1 -1355(95)9 35514 x - + 0.6 x (96) 17(97)37xX112221(98)“1 c4 y2 c3- 2 c430 x 2y +15 x 3y -14 x 2 7111111+ T-+-(92)2612203042(99)12.831 x(5-2.8(100)L 5 I 15J
