五年级下册小数乘除法(2页).doc

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1、-五年级下册小数乘除法-第 2 页3.74.6= 2.84214=0.290.07= 5.160.86=6.58.4= 108.81.6=0.867= 78.38.7=3.516= 3.4049.2=12.542= 7.540.13=1.823= 0.9690.57=0.370.4= 19.765.2=1.0625= 1.51242=70.86= 2.527=0.60.39= 20.424=270.43= 15.624=保留一位小数： 6.210.03=1.21.4 2.940.28=0.378.4 6.30.28=3.062.5 保留一位小数：4.20.27 482.30.650.14 1.

2、553.89.81.3 7.090.52保留两位小数 1378323.140.16 60.3130.751.06 22.55.51.361.4 保留两位小数3.245.6 0.2261.5小数除法： 221643.529= 0.0191.418.927= 45.5381.3515= 3.81728.611= 246.41320.424= 5.636.13.6452= 循环小数15.612= 5.795.980.23= 5819.765.2= 6.643.310.84.5= 251.5211.4= 3053.68.841.7= 5116.210.03= 400754556.5= 2818810.

3、5= 78.611811.5= 9.4652.9575= 12.4110.57817= 3.72.264.8921= 38.22.73.74.6= 2.84214=0.290.07= 5.160.86=6.58.4= 108.81.6=0.867= 78.38.7=3.516= 3.4049.2=12.542= 7.540.13=1.823= 0.9690.57=0.370.4= 19.765.2=1.0625= 1.51242=70.86= 2.527=0.60.39= 20.424=270.43= 15.624=保留一位小数： 6.210.03=1.21.4 2.940.28=0.378.

4、4 6.30.28=3.062.5 保留一位小数：4.20.27 482.30.650.14 1.553.89.81.3 7.090.52保留两位小数 1378323.140.16 60.3130.751.06 22.55.51.361.4 保留两位小数3.245.6 0.2261.5小数除法： 221643.529= 0.0191.418.927= 45.5381.3515= 3.81728.611= 246.41320.424= 5.636.13.6452= 循环小数15.612= 5.795.980.23= 5819.765.2= 6.643.310.84.5= 251.5211.4= 3053.68.841.7= 5116.210.03= 400754556.5= 2818810.5= 78.611811.5= 9.4652.9575= 12.4110.57817= 3.72.264.8921= 38.22.7