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 =
其余的自己的系列中,即使是最好的。
25.2÷6=34.5÷15=5.6÷4=1.8÷12=。
1.8÷12=7.83÷9=4.08÷8=0.54÷6=。
6.3÷14=72÷15=14.21÷7=24÷15=。
1.26÷18=43.5÷29=18.9÷27=1.35÷15=。
28.6÷11=20.4÷24=3.64÷52=15.6÷12=。
328÷16=1.35÷27=7.65÷0.85=12.6÷0.28=。
62.4÷2.6=0.544÷0.16=1.44÷1.8=11.7÷2.6=。
19.4÷12=5.98÷0.23=19.76÷5.2=10.8÷4.5=。
21÷1.4=8.84÷1.7=6.21÷0.03=1.89÷0.54=。
0.51÷0.22=7.1÷2.5=1.998÷0.54=1.28÷0.16=。
2.1÷0.4=2.56÷3.2=50.18÷38.6=4.68÷7.5=。
14.7÷0.07=5.4÷0.15=124.8÷0.24=23.4÷5.85=。
小数除法竖式的算法:
除数是小数的除法,先移动( 除数)的小数点,使它变成(整数 );如0.756÷0.18=75.6÷18=4.2。
除数的小数点向右移动几位,被除数的小数点也( 右)移动( 几位)(位数不够的,在被除数的(末尾 )用“0”补足);然后按照除数是(整数 )的小数除法进行计算。3.3÷0.75=330÷75=4.4。
按整数除法的方法除,计算时商的小数点要和被除数的小数点对齐。在除法算式里,除到被除数的哪一位,商就写在哪一位上面,也就是说,被除数和商的相同数位是对齐了的,只有把小数点对齐了,相同数位才对齐了,所以商的小数点要对着被除数的小数点对齐。
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 =
五年级小数除法竖式题演示78.1÷0.32
解题思路:将被除数从高位起的每一位数进行除数运算,每次计算得到的商保留,余数加下一位数进行运算,依此顺序将被除数所以位数运算完毕,得到的商按顺序组合,余数为最后一次运算结果<