北師大版四年級(jí)下冊(cè)計(jì)算題集錦3頁(yè)

1、四年級(jí)下冊(cè)計(jì)算題集錦一、直接寫出得數(shù)。7.5+3.08 = 32.99 = 3÷1.5 = 6.53.8 = 2.70.27 = 4.2÷0.06 = 6.30.4 = 4.8÷24 = 0.673×0 = 1.25×8 = 0.01÷0.001×0.1 = 3.6÷1.2= 0.72÷0.9= 2.6÷13= 4.8÷0.4= 4.4÷4= 0.78÷6= 7.2÷0.4 = 1÷0.25= 1.6÷2= 4÷5= 6.3&

2、#247;0.3= 8÷0.5= 0.75÷0.3= 0.47÷4.7= 3.2÷1.6= 0÷8.6=0.42÷7 = 2÷5 = 1÷0.2 = 7÷8 = 8.4÷2.1 = 0.69÷1 = 1.26÷0.6 = 0.5÷0.2 = 0.9×100÷1000 = 12.4（2.43.25）= 0.01÷0.001×0.1 =0.5×0.1÷0.5×0.1 = 0.5×0.1

3、47;0.5×0.1 = 0.9×100÷1000 =42.47.6 = 1.582.42 = 23.576.5÷0.25 = 7.85.6 = 1.25×4 = 34.6÷0.2×4 = 0.24÷0.3 = 7.8×0.5 = 1÷0.21×0.2 = 57÷5.7 = 8.10.05 = 0.2×0.5 = 0.12×4 = 10÷2.5 3.02×100 = 0.25×8 = 9.9÷1.1 = 3.5

4、47;0.7 = 0.9÷0.09 = 0.56÷10 =7.5×0.1 = 8.08÷8 = 2.6÷1.3= 101×7.5 = 12.30.9= 1.5+3.8= 0.4×2.5= 8×1.25= 0.25+0.2= 6.3÷0.9= 0÷1.1= 4.8÷0.24=二、用豎式計(jì)算。（除不盡的得數(shù)保留兩位小數(shù)）3.06×6.9= 0.71 ×2.5= 0.468×7.5=6.49×0.85= 205×24= 0.36×2

5、.8=15.37.89= 64.8+24.36= 2.07÷0.23= 9.5÷0.25= 1.7÷3=78.23÷13= 45.45÷0.45= 0.006 ÷0.25=13.208÷0.26= 8.4÷0.012= 1.25÷0.25=15.36÷1.2= 8.93÷3.8= 1.8÷0.25= 4.48÷0.35= 7.79÷9.5= 36÷64= 0.7624÷76= 78.6÷11= 5.63÷7.8=93

6、.5÷46=三、解方程。4xx = 19.5 26.43x = 15.3 7x = 98 x3×4 = 12 5xx14 = 18 2x0.5×2 = 0.4 x2 x9 = 17.4 7 y÷3 = 8.19 54÷23 a = 725.5 m1.3 m = 12.6 9×31.7 x = 13.4 8 x2.6 x = 37. 15.6-x=1.23 1.5x=2.25 32.8÷x=4.1 x+5.1x=18.3 0.8x-1.6=3.2 3.5x - 2.1x=0.28四、計(jì)算，能簡(jiǎn)便的要簡(jiǎn)便。0.72÷0

7、.4÷0.3 16.85÷0.516.92 0.5×4÷0.5×4 （7.52.3×0.4）÷0.01 2.6×(0.175÷0.25) 9.4 ×0.96÷(5.4÷0.9)19.6÷0.48÷（5.4÷0.9） 1.92×（2.3+10.5÷15）18÷0.6×（8-6.5） 2.125×1.5+7.875×1.57.324.37×0.9 4.05÷0.05

8、47;0.81 0.048×90×0.46（保留兩位小數(shù)。） 76.2÷0.160.16（保留一位小數(shù)。）1.25×32 0.563.480.446.522.8×（2.2527.5÷1.5） 5.8×7.67.6×4.2145.358.641.4 （5.13.6）÷0.81×0.0922.25÷（32÷12.8） 2.16÷0.9÷0.34.8÷0.4-2.1÷21 0.175÷25÷0.43.91×2.8