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1、-五年级数学下册四则混合运算题70373-第 6 页新兴路五年级下册数学题一、 计算7.12.5 1.890.54 42251340.351.2520.8 9.161.50.59.16 0.85199 543 1864230 56040 724812473 46215 2243663872 31653 27268 1-（） = 2= = 1= = 2= 45 =28 = 2 = = 1= = 1= = = = 2= （） 2 68 （ ） 1= 7= = =X= x = X()=1= 1 （） （）0.150.6= 740= 2= = = 1.22.4= = 0.648= 0.750.25=
2、100.06= = 12.580= 3= = 5 = + + + = - = -=17- - + + 6- （- ） 1+ 65 0.1258 6.2513 = 436 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= 2.22=0.063= 2.53.5= 1.50.5= 12.20.2= 1.354= = = 1= 1= 1= = 2= = 46= = 0.2= -1= 1= 2= = 46= 0.2= -
3、1= 1= = = 12.58= 1422= = 0 2.40.06= 0= 2-= = = 12.58= 1422= = 0= 3 - - - 10 - + - + 2.70.83.4 12.33.1+5.6 4.93.2-2.5 4.784 0.65201 4.80.25 1.51052.330.54 1.22.5+0.82.5 5.2995.912.8-2.85.9 7.83.3+5.77.8+7.8 0.25360.250.734 7.60.80.27.6 0.85199 3.123.1299 28.610128.6 0.8615.70.8614.7 = 1.22.4= = 0.648
4、= 0.750.25= 100.06= = 0.5 7.52.5 0.3913= 3= = 5 = = = x= x= x()=+ 60.62（9.212.62） 6.83.2 1 = = = = 6（） （） X= x = X()= 5+ = 1605 1.449 + 100 48+ 1 - 6 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=