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小數(shù)除法計算題,小數(shù)除法計算題及豎式答案,舉例?

【小數(shù)除法計算題,小數(shù)除法計算題及豎式答案,舉例?】2.4÷2=1.2 1.2 ———— 2/ 2.4 2 —— 4 4 ———— 0 小數(shù)除法的運算法則是怎樣規(guī)定的? (1)除數(shù)是整數(shù)的小數(shù)的除法 除數(shù)是整數(shù)的小數(shù)除法,可按照以下步驟進行計算小數(shù)除法計算題: ①先按照整數(shù)除法的法則去除; ②商的小數(shù)點要和被除數(shù)的小數(shù)點對齊; ③除到被除數(shù)的末尾仍有余數(shù)時,就在余數(shù)后面添0,再繼續(xù)除 。

小數(shù)除法計算題,小數(shù)除法計算題及豎式答案,舉例?


例1:117÷36=3. 25 (2)除數(shù)是小數(shù)的小數(shù)除法 除數(shù)是小數(shù)的小數(shù)除法,可按照以下步驟進行計算: ①先把除數(shù)的小數(shù)點去掉使它變成整數(shù); ②看除數(shù)原來有幾位小數(shù),就把被除數(shù)小數(shù)點向右移動相同的幾位(位數(shù)不夠時補0); ③按照除數(shù)是整數(shù)的除法進行計算 。例2:104.4÷7.25=14.4 (3)取商的近似值 在實際生活和生產中,常常遇到小數(shù)除法不能除盡或所得的 商的小數(shù)位數(shù)太多,但實際又不需要,可以根據要求和具體情況取商的近似值 。例 3:122÷16≈7.6(得數(shù)保留一位小數(shù))
4.5×0.07= 6.3÷0.09= 2.5×3.6=
19.8÷3.3= 5÷0.25= 0.76÷0.4=
2.36×0.22= 2.8×4.58= 3.57÷4.2=
82.8÷36= 45×2.46= 3.6÷0.24=
382.5÷45= 6.4×5.48= 13.42×4.73 =
9.65×8.12 = 7.23×1.2 = 6.3×12 =
2.14×8.3 = 4.9×1.12 = 21.98×2.31 =
0.24×28.37 = 29.13×3.14 = 9.88×11.21 =
5.5÷11 = 7.5÷0.5 = 6÷1.2 =
3.2÷8 = 7.2÷0.9 = 24÷1.2 =
12÷0.12 = 6.75÷0.25 = 12÷0.75 =
21÷0.7 = 16.9÷0.13= 1.55÷3.9=
3.7×0.016= 7.2÷2= 0.3÷0.15=
0.5*0.12= 0.6*3÷0.6*3= 1.4*5=
0.1*0.01= 0.35*8= 7.35÷7=
1÷0.01= 2÷0.4= 0.32*0=
1÷0.1= 12.5*8= 3.6÷0.6=
0.25*0.8= 2.5*9= 48÷0.6=
66.6÷1.11= 0.125*8= 9.3÷0.31=
1.5×4= 2.5×4 = 0.13× 4=
2.4-0.8= 5.4÷10= 4.2×1000=
0.45÷0.15= 3.6÷0.1= O .75×0.8 =
8.5×100= 3.2÷100= 0.18×0.3=
8.5÷ 1.7= 1.2÷0.3 = 0.49÷0.7=
0.04×25= 0.096÷0.03= 84÷4.2=
1000×0.756= 0.5×100= 2.5×1.47×0.4=
0.1÷0.25= 1÷0.01= 1.25×8=
3.8×2= 7.2÷0.9= 1.6×0.2=
9.3÷0.3= 4÷0.4= 0.45÷0.5=
0.2÷0.01=
19.4÷12 6.2÷0.070.51÷0.22 2.21÷1.8
8.9÷1.2 14.12÷4.522.59÷6.612.09÷8.2
12.71÷1.8 19.42÷7.8 41.38÷4.1 42.37÷3
15.31÷321.8÷8.8 41.62÷1.2 11.45÷0.3
16.1÷0.1218÷2.2 2.2÷0.45 13.3÷5.04
17.5÷12.6 12÷6.6 16÷1.24÷1.5
19÷4.8 10÷7.814÷9.613÷3.3
8÷1.1 11÷9.98÷7.4 8÷5.4
19÷13.2 4÷2.229.9÷11.25 32.9÷8.4
28.8÷3.5234.2÷0.74 5.2÷0.947.2÷0.54
30.5÷7.5 26.3÷18.75 12÷1116÷1.2
20÷14.8 23÷4.825÷1.117÷1.2

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