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1、新兴路五年级下册数学题一、 计算0.78180.15 2.070.230.45 7.283.22.57.12.5 1.890.54 422513413（5）169 3.63.25 3.44826.80.351.2520.8 9.161.50.59.16 0.851994.23.5 543 1864230 56040 724812473 46215 2243663872 31653 27268 1-（） = 2= = 1= = 2= = = 0.3= 45 =28 = 2 （） = = 1= = = = 1= = = = 2= （） 2 68 7.5 322.5 （ ） 1= = = = = =
2、7= = = = =X= x = X()=1= 1 （） （）0.150.6= 740= 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 X=7.88.752.21.25 7.81.177.80.17 28567 （） （） 5- = 1-= 50.001=2.54= += -=X= 2X=1- 5.5X-3X15（） = = 1= = = = = 2= 2= 0.520= 0.355= 2
3、.22=0.063= 2.53.5= 1.50.5= 12.20.2= 1.354= = = 1= = = = 1= 1= = 0.32= = 46= = 0.2= -1= 1= = = =0.32= = 46= 0.2= -1= 1= = = 12.58= 1422= = 0= 0.250.4 2.40.06= 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 1.0
4、80.80.272.050.82+33.6 44.280.93.42.70.83.4 12.33.1+5.6 4.93.2-2.5 5.3 （1.8-1.5）15 9.81.23.874+6.13 16-2.546 213.60.80.316.065.5 1.7 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
5、.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 9.161.50.59.1663.42.50.4 9300.65 32.40.90.132.4 = 1.22.4= = 0.648= 0.750.25= 100.06= = 12.580= 2.40.03= 0.5 7.52.5 0.3913= 0.53= = 5 = = = x= x= x()=+ 60.62（9.212.62） 6.83.2 （）= = = = = 1 = = = = = = = 6（） （） X= x = X()=（） （） 5+ = 6.80.08 1605 1.449 + 2.76100 8.71.93.1 480.6 + 1 - 0.146 0.150.6= 740= 2= = 2（） = = = （） 2 20= 6 0.9100= + = 0.6416= 10-9.12= 0.73.5= 0.8125= + = 3 - - - 7.81.177.80.17 + = 1 - = - =x + = - x= 4x - =2- 1x + = - x= 4x - =2- x 1 X- = x ()= = 2=
五年级数学下册四则混合运算题
