五级数学下册四则混合运算题.docx

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1、五年级下册数学题一、计算0.78180.15 2.070.230.45 7.283.22.57.12.5 1.890.54422513413（5）1693.63.25 3.44826.80.351.2520.8 9.161.50.51994.23.5543 1864230 56040 724812473 46215 2243663872 31653 27268 1-（）= 2= = 1= = 2= = 0.3= 45=28 = 2（）= = 1= = = = 1= 2=（）268 7.5 322.5（）1= = = = =7= = = =*=* = *()=1= 1（）（）0.150.6= 7

2、40= 2= = 1.22.4= = 0.648=0.750.25= 100.06= = 12.580= 0.53= = 5=+= - = -=17- - + + 6- （- ） 1+65 0.1258 6.2513= 41.636 *=7.88.752.21.25 7.81.177.80.1728567（）（）5- = 1-=50.001=2.54= += -=*= 2*=1- 5.5*-3*15（）= = 1= = = = 2=2=0.520= 0.355= 2.22=0.063=2.53.5= 1.50.5= 12.20.2= 1.354= = 1= = = = 1=1=0.32=46=

3、0.2=-1=1=0.32=46=0.2=-1=1=12.58=1422=0=0.250.06=0=2-=12.58=1422=0=3 - - - 10- + - + 720.81+10.4 7.062.4-5.7 50.43.760.25+25.8 0.75180.15 2.070.230.4521.360.8-12.9 7.28+3.22.5 1.080.80.272.050.82+33.6 44.280.93.42.70.83.4 12.33.1+5.6 4.93.2-2.5 5.3 （）15 9.81.23.874+6.13 16-2.546 213.60.80.316.065.5 1

4、.7 42（5.250.25） 6.480.1210.80.254.784 0.65201 4.80.25 1.51052.330.54 1.22.5+0.82.5 5.2991.258.8 1.25320.25 4.69.7+5.49.75.95.9 7.83.3+5.77.8+7.8 0.25360.250.734 7.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.83.123.1299 28.610128.6 0.8615.70.8614.7 2.4102 （2.50.25）0.4 9.161.50.59.1663.42.50.

5、4 9300.65 32.40.90.132.4= 1.22.4= = 0.648=0.750.25= 100.06= = 12.580=2.40.03=0.57.52.5 0.3913= 0.53= = 5= = *=*=*()=+ 60.62（9.212.62） 6.83.2（）= = = = = 1= = = = = 6（）（）*=* = *()=（）（） 5+= 6.80.0816051.449+2.761008.71.93.1480.6+1 -0.1460.150.6= 740= 2= = 2（）=（） 2 20= 60.9100= + =0.6416= 10-9.12= 0.73.5= 0.8125= + =3 - - - 7.81.177.80.17+ = 1 - = - =* + = - *= 4* - =2- 1* + = - *= 4* - =2- *1 *- = *()= 2=