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1、精选优质文档-倾情为你奉上里面很多 但可能不到1000再给你几题好了75138(100-54)85(95144024) 80400(430087015)24078(154-115) 14372727563 75-(12+18)15 2160(83-79)18 280840245 32513(266250) 85(95144024) 58870(105202) 14372727563 81432(135278) 37.85-(7.85+6.4) 30 156(17.7-7.2)3 (947599)7664 36(91327623) 192(5438)67 5.42.6(3.7-2.9)+0.62
2、 (136+64)(65-34523) (6.8-6.80.55)8.5 0.12 4.80.124.8 (58+37)(64-95) 812-700(9+3111)(3.21.5+2.5)1.6 85+14(14+20826) 120-36418+35 (284+16)(512-820818) 9.721.6-18.3057 12.780( 13.4156.6 ) 37.812-700(9+3111)(136+64)(65-34523) 3.2(1.5+2.5)1.6 85+14(14+20826) (58+37)(64-95) (6.8-6.80.55)8.5 (284+16)(512-8
3、20818) 0.12 4.80.124.8 (3.21.5+2.5)1.6 120-36418+35 10.15-10.750.4-5.7 (7.1-5.6)0.9-1.15 2.5 (3.21.5+2.5)1.6 5.42.6(3.7-2.9)+0.62 126(12-7.2)-6 3.26+(1.5+2.5)1.6 (3.21.5+2.5)1.6 33.02(148.490.85)2.5 3/7 49/9 - 4/3 8/9 15/36 + 1/27 12 5/6 2/9 3 8 5/4 + 1/4 6 3/8 3/8 6 4/7 5/9 + 3/7 5/9 5/2 -( 3/2 + 4
4、/5 ) 7/8 + ( 1/8 + 1/9 ) 9 5/6 + 5/6 3/4 8/9 - 1/37 5/49 + 3/14 6 ( 1/2 + 2/3 ) 8 4/5 + 8 11/5 31 5/6 5/6 9/7 - ( 2/7 10/21 ) 5/9 18 14 2/7 4/5 25/16 + 2/3 3/4 14 8/7 5/6 12/15 17/32 3/4 9/24 3 2/9 + 1/3 5/7 3/25 + 3/7 3/14 2/3 + 1/6 1/5 2/3 + 5/6 9/22 + 1/11 1/2 5/3 11/5 + 4/3 45 2/3 + 1/3 15 7/19
5、+ 12/19 5/6 1/4 + 3/4 2/3 8/7 21/16 + 1/2 101 1/5 1/5 21 5016040 (58+370)(64-45) 120-14418+35 347+452-416052 (58+37)(64-95) 95(64-45) 178-14556+42 420+580-642128 85+14(14+20826) (284+16)(512-820818) 120-36418+35 (58+37)(64-95) (6.8-6.80.55)8.5 0.12 4.80.124.8 (3.21.5+2.5)1.6 (2)3.2(1.5+2.5)1.6 6-1.64= 5.38+7.85-5.37= 7.20.8-1.25= 6-1.193-0.43= 6.5(4.8-1.24)= 0.681.9+0.321.9 10.15-10.750.4-5.7 5.8(3.87-0.13)+4.23.74 32.52-(6+9.7283.2)2.5专心-专注-专业