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1、脱式计算(60题)1757525 683513 725(125237)(114166)35 432(98) 1896040 216305/5 4723664 5+254410299 8+2125 645-180-245382101-382 460508 358+356-4350.1750.254 0.1750.250.4 200(17272)25630840(240212) 80025 2000125 25634 9000125 9911 794198 6825 428(30801980)193207 72125 973603360 124252524 2800 100789 75138(10
2、0-54) 85(95144024) 24078(154-115) 80400(430087015) 14372727563 75-(12+18)15 (6.8-6.80.55)8.5 7.20.8-1.25864(2723)12 (453816)24 500(240386) 64(8742) 15 (845153)1612(4928)7 450(8448 )12 (58+37)(64-95) 0.12 4.80.124.895(64-45) 6.5(4.8-1.24) (284+16)(512-820818)178-14556+42 812-700(9+3111) 120-36418+35
3、32.52-(6+9.7283.2)2.5 (3.21.5+2.5)1.6 5.8(3.87-0.13)+4.23.74 (6.8-6.80.55)3.66+7.85-5.37 (7.1-5.6)0.9-1.15 2.5 85+14(14+20826) (58+37)(64-95) 2800 100789 (947599)7664 36(91327623) (932521)9 5071363498 (3921)(3966)723(521504)25 3841223371 8486401612571256035 192(5438)67 138254 15003245 (13125)(38) (1
4、2+24+80)50 70425-509 2532125 32(25+125) 178101178 8436+6484 98199 7599+275 83102832 50(344)3 25(24+16) 17899+178 7942+79+7957 123181233+85123 7300254 8100475 7527+192 5 31870+13310 4(2565+2528) 138254 (13125)(38) 32(25+125) (12+24+80)50 2532125 178101178 10276 5898 7599+275 831028328436+6484 98199 8
5、5(95144024) 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 三、方程式计算(70题)2x+8=16 x5=10 x+7x=8 9x-3x=6 6x-8=4 5x+x=9 x+7x=8 x5=10x-8=6x 45x=20 2x-6=12 2x+8=16 9x-3x=6 6x-8=4 5x+x=9 x-8=6x 45x=20 2x-6=12 x-56=7 12x-8=47x+7=14 6x-6=0 5x+6=11 2x-8=10 3x+7=28 3x-7=26 9x-x=16 24x+x=50 下面各题怎样算简便就怎样算。6.94.
6、83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.475.272.860.661.63 13.354.682.65 73.81.6413.85.3647.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.2566.868.661.34 0.2516.24 (1.250.125)8 3.6102 3.723.5
7、6.283.5 36.83.96.115.613.115.615.62.1 4.87.8780.52 324.90.9 4.8100.1 56.59.956.5 7.0910.80.87.09 25.48(9.40.52) 4.20.2 0.5 3201.258 18.769.918.76 3.522.50.4 3.94.16.15.95.63.5 9.60.80.4 4.2994.2 17.8(1.784) 0.490.04910 1.252.532 15.20.254 0.89100.1 146.5(2346.5)3.834.563.835.44 4.3612.58 9.7999.7 27
8、.53.77.53.7 8.542.50.4 3.20.2512.5 (45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.47.20.22.41.4 3366+3334 7.74(2.81.3)1.52.263.92.73.97.3 181.80.1250.8 12.79.91.27 21(9.33.7)5.6 15.02-6.8-1.02 5.411-5.4 2.316+2.323+2.3 9.43-(6.28-1.57) 3.654.736.50.37 46572386 13.70.253.74 2.229.9+6.666.7 1010.87
9、-0.9187 10.716.1-15.110.7 0.79199-0.7999 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 12564 3.20.364.81.64 1.233.40.236.6 0.251612
10、.7(3.70.84) 36.541.764.54 0.250.7347.60.80.27.6 (105+88)+95 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8(4.31.25) 123.1299 28.610128.60.8615.70.8614.7 103+72+97+28 2.311.20.5147.322.68 2.648.677.3611.33 70280 (2.50.25)0.4 9.161.50.59.16 3.63.60.596.5 2.50.4 63-(83-32) 9300.65 63.42.50.4 6325 3.9(1.35) 32.40.90.132.4 15(0.250.4) 0.351.2520.8 15 / 1515