人教版小学五年级数学计算能力练习题

一、直接写出得数。每空0.5分。15分）0.15一0.5二2.4-4-0.08=2.5x4=6.3-7=0.75-0.25=0.3x0.4=7.2一0.8=5.15-5=5.6-100=0.125X8=4.7+2.3=4.5X2=6.9－2.5=7.2X0.8=6X3.4=0.62－0.32=1.4X0.5=0.75X100=0.02X0.5=3.6-0.3=100X7.8=0.9X0.7=0.25X8=4.8-0.3=4.95-0.9=0.96一2二0.56-28=0.36-0.4=0.64-0.8=0.72-3.6=练习一二计算能简便计算的要简便计算（3X9=27）73.8－1.64－5.360.75X2.5X0.43.74X8.3＋1.7X3.70.25X16.2X43.72X3.5＋6.28X3.536.8－3.9－6.125.48－（9.4－0.52）4.8X7.8＋78X0.522.16X0.8F0.272.08X7.5=2.08X7.5=三、竖式计算（3X9=27分）2.03X0.27二5.76X3=0.72^0.9=90.75F3.31.05X2.4=0.25F0.40.25F0.4二16.9F0.131.89^0.54=0.25F0.40.25F0.4二16.9F0.131.89^0.54=x+5.6=9.4x+5.6=9.4x-0.7x=3.691Fx=1.3x+5.6=9.4x+5.6=9.4x-0.7x=3.691Fx=1.3四、方程。（第三行要检验31分12x—9x=8.75Y-2Y=186.3－2x＋4.5=7.4X—0.8X=612x-8x=4.81.2x=81.6.5F1.82.688^0.560.375F4.5F1.82.688^0.560.375F0.0255.778F5.4二1.5X0.25=5.22F29二7.2－0.8=1.4X0.5=84F0.21=0.75F0.25=1.2X6=7.9F0.1=7.6X4=4.5F3=0.65F0.1=（1.5＋0.25）X4=4.7+2.3=4.5X2=6.9－2.5=7.2F0.8=6X3.4=0.62－0.32=1.4X0.5=0.75X10=0.2X0.5=36F0.3=二、竖式计算。（3x9=27分）0.43X0.28=3.08X0.43=15F0.25三能简算的要简算。27分6942+480F330.5X32-1541.9＋19.9+199.9＋0.373.8－1.64－13.8－5.3647.8－7.45+8.85.5X[0.672F（2＋2.2）]

73.8－1.64－13.8－5.3605F0.5+10.7521.6^0.8-1.2X56.8X2.7+2.7X3.2四、解方程2x-100=796x-8=6x3xF5=4.80.8x—4=202x-6=12.67x+7=14检验99X=100-X4X+3=1805F0.5+10.7521.6^0.8-1.2X56.8X2.7+2.7X3.2四、解方程2x-100=796x-8=6x3xF5=4.80.8x—4=202x-6=12.67x+7=14检验99X=100-X4X+3=182X-6.4=123X+5=9.5练习八口算15分0.61＋0.39=0.56一28二10一20二4.08一0.4二1.2X0.30.25X0.4=1.6一0.8二1一2.5二1.25X0.8=3.2一0.04二0一1.7二0.22X102=9.6一0.8二5X0.24=4.5-0.05=

0.8X1.5=7.3＋0.27=0.5一0.125=4.5X0.02=8＋7.2=1.2X30=0.012X0.2=1.3X0.3=9^6=3.6一0.12二3.9一0.1316.5一0.5二5－3.28=0.46一4.6二4X0.25二二能简算的要简算。27分8.3－2.63＋2.73X1.56.9＋4.8＋3.115.89＋(6.75－5.89)5.6X(3.6－1.2X3)0.456＋6.22＋3.7829.4X5.1X2.3=4.8F2.5F41.89^0.54=4.8F2.5F41.89^0.54=4X6.9^(6.44-4.14)0.38X102三，竖式计算。27分0.58F0.2二16.9F0.133.08X0.43=0.25X4.8=0.25X0.0460.396^1.2=20-5.6746.84X7.45四、解方程。31