1、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)252630 840( 240212) 80025 2000125 25634 9000125 9911 794198 6825 428(30801980)7426756193207 72125 973603360 124252524 2800 100
2、789 75138(100-54) 85(95144024) 24078(154-115) 80400(4300 87015) 14372727563 375-(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(
3、9+3111) 4120-36418+35 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 2.585+14(14+20826) (58+37)(64-95 ) 2800 100789 (947599)7664 36(91327623) (932521)9 5071363498 (3921)(3966)723(521504)25 3841223371 84864016125571256035 192(5438)67 138254
4、15003245 (13125)(38) (12+24+80)5070425-509 2532125 32(25+125) 178101178 8436+6484 98199 7599+275 83102832 50(344)325(24+16) 17899+178 7942+79+7957 123181233+85123 7300254 8100475 67527+192 5 31870+13310 4(2565+2528) 138254 (13125)(38) 32(25+125) (12+24+80)50 2532125 178101178 10276 5898 7599+275 831
5、028328436+6484 98199 85(95144024) 50(344)3 25(24+16) 17899+178 77942+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+
6、x=508615x 3261x 10352x3165x 317x 716x813x 514x 439x715x 2153x 12583x9172x 912x 53x9183x 6135x 1372x91372x 3195x 1253x71245x 9271x 1075x6195x 4176x 4185x2035x 6125x 14375x6195x 9165x 321x10352x 1823x 2415x103125x 1827x 18392x26153x 6152x 1823x下面各题怎样算简便就怎样算。6.94.83.1 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)83.6102 3.723.56.283.5 36.83.96.1