2020年五年级重点基础计算题专项练习

1、23.4 -0.8 13.4 -7.22020年五年级重点基础计算题专项练习0.6 + ( 0.2+0.3 )4.3 X (1.5+0.4 X3)4.7 ( 2.61.7 )7.3 X999.42 X1094.2 X0.9(1.25+2.5) X8(8.4+0.28)+77.8 99+3.9 27.4 +(3.7 X4)51.3+ 0.27+10.10.72+ ( 0.3+0.2 ) X0.66.3 X 99+6.37.28+0.94+2.72+0.067.84+0.730.840.45 X 9.6 +1.27.3815.7 4.3 5.70.85 X ( 4.2 0.4 ) 0.2378.4

2、 + (0.7+4.2 +6)62.8 +2.5 +0.412.4 +0.4+5.6 X28.5 +4+1.5X0.2599 X 4.3132-43.7 -56.363.4 +2.5 +0.40.8 +0.88 +0.224.6一 1.45 (0.4+0.05 )1.6+0.4 1.6+0.4110X 0.1 1.42.31 X1.2 X0.512.78-(4.97 +2.78)X 0.35+4.6 X0.652.95 X 101 -2.95(1.25 +0.25) X44.8 X7.8 +78X 0.524.91463X 10.1 -63X 0.13.2 X1014.2 X99+ 4.26.

3、2 X10.1 5.4 +1.8353.14 X1.9 +31.4 X0.817.3 X 10.21.4615.6 X 13.1 15.6 X3.14.9 +0.8 -4.9 +0.812.961.2 +0.25 + 1.3 X4(4.8 +6.4 ) +840.597.5 +0.39 136.786.4 +0.24 X 0.2511.16(300 94.8 ) +0.5一 (0.35X2)0.92 X1.01(9.6 1.52 )+ 0.81 X1.05一 (10-0.7 )12.6 +3.5 ( 9.8 8.7)0.648+ ( 0.4 +0.5) X 0.615.89+ (6.75 -

4、5.89)7.85 +2.34 -0.85 +4.6635.6 1.8 15.6 -7.20.25 X 16.2 X460.9 + ( 13.53 +5.37 ) + 10.84.8 X 100.13.5 -3.5 X0.95.86 +1.8 X 1.2 + 4.144.07 X 8.6 + 9.12591.2 +3.825.48 -(9.4 - 0.52)4.2 + 3.517.8+(1.78 X4)(10-2.15 X4.6) X8.515.2 +0.25 +41.25 X 2.5 X329.24+ ( 2.8 +3.2) X 0.5 27.5 X3.77.5 3.70.79 X 1991

5、0.4 -9.6 X0.35(6.35 2.15 X4.6 )0.852.31 X1.2 X0.5(2.5 -0.25 ) X 0.42.5 + 7.5 X ( 8.652.25 )60X 0.9828.8 +3.219.2 +3.257.6 +3.6 +57.6+6.47.2 + ( 3.61.2 )(7.7 +1.54 ) +0.71.2 X5X6.872 0.81+ 10.47.2 X0.1 X28.551.30.270.45 X 0.18 X 30018.1 X0.923.933.76 X 0.25+ 25.856. 28+0.6794.83 + 52.4 + 6.235.5 X1.5

6、 X0.1226+ 0.1310.5+0.750.89 X 100.10.756+0.186.21+0.030.25 X 16.2 X4(1.25 0.125)X83.6 X102320+ 1.25 +83.72 X3.5 + 6.28 X3.50.8 X 100.15.6 X13.1 15.6 15.6 X2.17.09X10.80.8 X7.094.8 X 7.8 +78X0.524.2 +3.518.76 X9.9 + 18.763.52 +2.5 +0.456.5 X 9.9 +56.5515.6X13.115.615.6 X2.14.8 X 7.8 +78 0.524.23.54.8 100.156.5X9.9 +56.57