小学四年级下册数学小数.docx

1、小学四年级下册数学小数6.65-4.231.45= 12.7-6.63.24= 6.563.45= 4.2222+3.2= 8.753.232.25= 7.85.5= 1456.23+9.6-8.6= 5.2+6.3-584.3=69.12+78.39= 64.2+15.4= 42.55-0.69= 0.55-0.33= 45.96-24.41= 75.2-28.3= 1.256+65.222= 6.65-4.231.45=12.7-6.63.24= 6.563.45 = 63.1-13.8= 3.34-2.07=5.324.39= 103.9+450.6= 13.88-5.77= 96.12

2、+52.3=1.2+96.6= 2.6-35.6= 10.23-0.88= 4.56+14.62= 7.9+53.1= 56.4+23.1= 96.4-57.1= 55.1+65.9= 56.78-21.5= 96.1-43.2= 0.91 45-31.23 2.73.9 10.44 0.70.9= 3.250.75= 14.60.4= 100.1= 10.78= 10.3= 50.08= 1.642.35= 8.346.22= 12.63.4= 7.2+6.9= 1.3+4.3-0.12= 9.3-8.8= 4.4+15.99=1.5+3.8= 2.8+1.2= 7.3+2.7= 7.4-3

3、.6=19.8-5.6= 96.3-56.2= 79.2+56.8= 1.99+25.7= 93.88-69.21= 0.33+9.88= 136.5-105.7= 63.4+52.1= 93.1-20.9= 63.1-13.8= 103.9+450.6= 13.88-5.77=96.12+52.3= 13.2+65.1= 12.3+96.5= 78.9-65.4=42.5-19.5= 73.55-14.68= 46.32+65.18= 95.44+53.12= 96.42-13.88= 42.5-17.8= 63.22-22.77= 69.12+78.39=64.2+15.4= 4.2222

4、+3.2= 5.2+6.3-584.3= 42.55-0.69=0.55-0.33= 45.96-24.41= 75.2-28.3= 1456.23+9.6-8.6= 1.256+65.222= 0.32-0.16= 0.35+0.55= 0.87-0.8=0.24-0.08= 0.92-0.37= 1.4+0.6= 3.6+4.2=0.72-0.48= 6.8+3.2= 7.1-3.4= 0.42+0.66=0.32+0.68= 2.8+7.2= 0.65+0.19= 3.09+1.2=3.25+5.64= 0.25+0.47= 0.82+0.18= 7.8+2.4=0.45-0.18= 0

5、.4+0.16= 8.2+1.8= 0.73+0.27=8-3.2= 9.8-4.8= 3+2.4-0.292= 2.8-0.9=1.29-0.18= 5.1-0.8= 10-0.3= 6.4+1.3=9+0.1= 8.9-4.9= 6.8-0.7= 8-0.72=6.6-3.4= 1.2-0.8= 7.3+6.2= 8.7+3.6=12.3+0.7= 0.8+9.2= 4.7-1.9= 5.1-3.9= 1.4-0.6+2.256= 3.8+6.4= 0.6+7.45= 4.9+0.1= 4.5+3.2= 1.8+0.9= 6.5+0.5= 10.5-6.5=7.5+0.5= 0.78-0.

6、28= 12.8-2.8+3.5= 9.6-2.3= 3.8+0.12= 0.8-0.08= 10-7.4-1.93= 7.5-3.2=0.42+0.58= 0.8+0.15= 2.5+0.4= 8.2-2.6=1.4-0.7= 2.5+4.6= 0.5+9.8= 6.7-2.6=7.2+5.9= 9.67+8.07-3.6= 5.69-2.48= 2.9+4.1= 9.1-6.7= 2.03+1.2= 8.6-4.9= 1.3+2.03=9.46-7.21= 1.56+2.24= 3.5-1.25= 0.750.4=200.78= 4.84.2= 5.73= 4.91.7=1.340.8=

7、20.75= 8.70.03= 0.20.09= 8.52.5= 3.41.4= 0.680.42= 7.827.2=2.369.1= 0.480.52= 8.15.1= 0.780.24=0.80.18= 0.890.25= 10.98= 0.90.1=10.8= 4.54= 5.64= 5.73.3=104.4= 66.6= 9.52.7= 10.55=3.74.8= 73.3= 3.250.75= 2.73.9=0.70.9= 10.44-0.04 0.91= 44.60.4= 100.1= 140.78= 32.7= 50.08= 1.642.35= 1.11= 8.346.22= 1

8、2.63.4= 1.34.3= 7.26.9= 9.38.8= 4.415.99=19.85.6= 96.356.2 = 79.256.8= 1.925.793=8869.21= 93.27-12.56= 15.6+3.2= 45.6+90.1= 脱式计算。8.56-4.65+8.29 5.76+8.65-0.8932.5+13.29-18.04 24.5+（3.74-0.98）10-1.39-4.205 60.6-（3.14+0.4） 18-（4.6+2.08）+0.02 4.69+3.02+0.04+2.730.48+(5.2-4.295) 75.42-14.34-0.24-5.493.3

9、44.75-2.07 5.324.393.116.65-（4.231.45） 12.7-6.63.246.563.453.36 8.75（3.232.25）6.7 5.8 2.03 8.63.725.556.14（1.231.38） 75.53.066.72-3.28-1.72 0.45+6.37+4.55用简便方法计算。6.38+7.56+3.62 24.56-3.81-4.19 0.4566.223.78 6.94.83.1 5.34+6.18+4.66+3.82 59.2-1.43-8.57 3.92+4.7+0.08+5.3 （3.38+2.75）+0.25 9.1+6.8+3.2+0

10、.9 0.473+5.6+0.52715.89(6.755.89) 4.025.40.98 3.687.562.68 7.852.340.854.66 35.61.815.67.2 3.822.90.189.1 9.64.83.6 7.140.532.47 5.272.860.661.63 13.354.682.65 73.81.6413.85.36 66.868.661.34 324.90.9 5.171.83.2 36.83.96.1 25.48(9.40.52) 15.02-6.8-1.02 146.5(2346.5) 5.93+0.19+2.81 1.76+0.195+3.24 2.3

11、5+1.713+0.287+7.65 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 3.070.381.62 1.293.72.716.3 3.251.790.591.75 23.40.813.47.2 3.20.364.81.64 13.75(3.756.48) 9.43-（6.28-1.57） 82.451.55 4.8+8.63+5.2+0.37 1.57+0.245+7.43 7.54.96.5 3.94.16.15.95.48-3.99 43.12+98.76+3.79+223.24 4.87+5.6+11.3 6.3+23.4+0.09+4.7+43.6