1、六年级计算练习8.33.79 + 9.7 14.88 2.4 + 2.8 ( 3 ) + 8.032.163.84 37803513308 ()4555294028 8.72.641.34.36 3025.62.8720.56 () () ( )410 12045(1) 0.0250.0740 251.258 9.723.380.62 (9.72.154.85)0.9 () 115 45() 48015107420 ()2(72048) 7.22.7153.82 14763624113.061.8(2.411.91) 1350-6186 4 5.698 + 560.2 +(1-) +26964
2、028386 10 1()36() (16932) 9.63.891.46.11 16.51.176.83 72() 1.5(3.41.4)0.6251.2532 0.161.2+3.816% ()147636+2411 12.52532 (1) () 3.75.497.34.51 93500251.2 (9.43.63)0.5 () 0.4(0.320.4) () () 4 (4)4 11 ()49 1.33.799.76.2152 1.05( 3.80.8 )6.3 56(1 ) ( ) 3212.50.25 848 800 16 12 0.6 ( 0.3 2.5 0.45 ) 652(3
3、0745951) 1.50.02(2.12.09) ()240() 10.288.145.28 7855763615 80.371.25 122.5(0.450.29) 35 630185 (1.9+5.65) 2.5 8.45+0.632.45+3.37 27+1 ()9806126-864 (+)84 12.54.8(7.63.62)1.5 ()99471128 5.17(1.173.05) ()36 1( ) () 609988177624 7 9.532.723.282.53(+) 5 375360182017 0.81(3.22.95) ()10507244 10.156.253.7
4、57.85 3.212.52.5 302 56(1) 24(- +)() ()24 - 113(471301515) 8.51.63.60.75 12.50.1625 8 () () + 18(+) 4 5841108( (0.510.6(4.5+) 0.6250.5+ 15.296+15.25-15.2 95.618+0.418 12()4.80.2x=10 0.2 x2.46.8 x x 5 x4.88.4 xx3 0.86=2008x0.23 3.5 x1.5 x25 = 24.80.25 x0.8 3xx 5 x12.937.9 1.85.9=3.1 +=7 12x73=93 160.6x20.8 xx x=x2 9.6 x6.4 x0.32 x+x=xo.6x=160 x = x-x=3 3.2 x2.91.9 x 2x+2.7=24.7 xx 1.2 x5.50.5 xx xx 14 6.52x18.5 = 2 2 x0.5 x=30 x1= 1-x = 1.2 x5.50.5 x= x(+)=8x3(x6)25x5x3= x+ x xx12 x10%x1108