1、3.5 20(2.44-1.8)0.4+0.1528-(3.4+1.252.4) 2.557.1+2.457.17779+11113 0.815.5-(3.21+5.79) (31.8+3.24) 5 31.54(6+3)0.64257.8+2.2 22.5+2.5236.254.259.9 51807056 242.42.50.8 (4121+2389)7 67115-974 46912+1492 19.46.12.3 5.670.2-0.6218.10.92+3.93 0.40.70.25 0.78+5.436+1 4. 8 54+14 9. 9x56+56 10. 34x89-13 14
2、. 31x56-56 16. 59x18-14x220. 3x29+13 35. 95(64-45) 36. 178-14556+42 7.20.8-1.25 6.5(4.8-1.24) 28-(3.4+1.252.4) 2.557.1 777(31.8+3.24)5 31.5(6+3) 0.642 19464.81.80.9 36.729.9 51807056 240.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189) 19.40.2-0.62 18.10.92+3.93 0.04324+0.875 0.40.25 0.78+5.436+1
3、4.070.86+9.12 24078(154-115) 14372727563 75-(12+18)152160(83-79)18 2808402432513(266250) 85(95144024) 58870(105202) 143756381432(135278) 37.85-(7.85+6.4) 30(947599)7664 36(91327623) 192(5438)67 814325278)64 60(9.528.9)0.430.243.5 0.815.5-(3.21+5.79)31.8 3.25 19464.80.9 36.729.9 3.416(0.01635)0.8(106
4、.76)1.2 (6.8-6.80.55)8.5 0.12 4.80.124.8 (58+37)(64-95) 812-700(9+3111) 156(17.7-7.2)3(3.21.5+2.5)1.6 85+14(14+20826) 120-3618+35 9.721.6-18.305 3.2(1.5+2.5)1.6 (58+37)5)(6.8-6.88.5 0.124.8 1.6 120-3618+35 15-10.750.4-5.7 347+452-416052 (58+37)5) (7.1-5.6)0.9-1.15 2.51.6 5.42.6(3.7-2.9)+0.62126(12-7
5、.2)-6 3.26+(1.5+2.5)1.61.6 120-144347+4552 (58+37)95(64-45) 812-70011)18+35 (6.8-6.84.8 0.85180705(4121+2389)4051.224 5.670.92+3.9324+0.875990.250.75102 100-56.23 31.5016040 (58+370)32.120-14433.347+4534(58+37)35.9536.178-1456+42 420+580-642128 37.812-70011) (136+64)(65-34538.85+1426) 120-365) (6.8-
6、6.84.8 (3.21.6 1.6 31.50160(64-45) 32.120-14452 34(58+37)(64-45) 36.178-1456+42 420+580-6428 812-70011) (136+64)23) (284+16)(512-820818) 18+35 (58+37)1.6 (23.245.6-1.64= 5.38+7.85-5.37= 46.75= 6-1.193-0.43= 47.6.54)= 0.681.9+0.321.9297999 198321+213017(0.123+123) 1009 3424+34810.196+0.094 105+8955732.4723+27 39.0118.3-90176.5+2-2184 49+23143199 5299+52 2532125
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