《2025年口算训练五年级数学上册人教版双色升级版》

$2.8÷7=$
$2.4÷8=$
$7.2÷8=$
$4.9÷7=$
$2.7÷9=$
$2.7÷3=$
$3.6÷6=$
$5.6÷7=$
$2.4÷6=$
$5.4÷6=$
$3.2÷4=$
$3.2÷8=$
$1.4÷7=$
$2.8÷4=$
$8.1÷9=$
$1.8÷2=$
$3.5÷7=$
$7.2÷6=$
$2.1÷3=$
$4.8÷4=$
$5.6÷8=$

答案： 解析：这些题目都是基础的除法运算，涉及到小数除以整数的计算。我们可以直接使用除法来得到答案。
答案：
$2.8 ÷ 7 = 0.4$
$2.4 ÷ 8 = 0.3$
$7.2 ÷ 8 = 0.9$
$4.9 ÷ 7 = 0.7$
$2.7 ÷ 9 = 0.3$
$2.7 ÷ 3 = 0.9$
$3.6 ÷ 6 = 0.6$
$5.6 ÷ 7 = 0.8$
$2.4 ÷ 6 = 0.4$
$5.4 ÷ 6 = 0.9$
$3.2 ÷ 4 = 0.8$
$3.2 ÷ 8 = 0.4$
$1.4 ÷ 7 = 0.2$
$2.8 ÷ 4 = 0.7$
$8.1 ÷ 9 = 0.9$
$1.8 ÷ 2 = 0.9$
$3.5 ÷ 7 = 0.5$
$7.2 ÷ 6 = 1.2$
$2.1 ÷ 3 = 0.7$
$4.8 ÷ 4 = 1.2$
$5.6 ÷ 8 = 0.7$

$5.4÷9=$
$9.6÷8=$
$0.84÷4=$
$9.2÷4=$
$4.2÷3=$
$0.84÷12=$
$9.8÷14=$
$6.5÷13=$
$5.4÷18=$
$0.63÷21=$
$5.2÷13=$
$2.4÷12=$
$0.69÷23=$
$5.4÷27=$
$0.92÷23=$
$0.57÷19=$
$8.2÷2=$
$9.6÷16=$
$0.36÷12=$
$7.8÷39=$
$4.2÷60=$

答案： 解析：这些题目都是基础的除法运算题，主要考查学生的除法运算能力。根据除法的定义，被除数除以除数等于商。在这个问题中，我们需要将每一组的被除数除以对应的除数来找出商。
答案：
$5.4 ÷ 9 = 0.6$
$9.6 ÷ 8 = 1.2$
$0.84 ÷ 4 = 0.21$
$9.2 ÷ 4 = 2.3$
$4.2 ÷ 3 = 1.4$
$0.84 ÷ 12 = 0.07$
$9.8 ÷ 14 = 0.7$
$6.5 ÷ 13 = 0.5$
$5.4 ÷ 18 = 0.3$
$0.63 ÷ 21 = 0.03$
$5.2 ÷ 13 = 0.4$
$2.4 ÷ 12 = 0.2$
$0.69 ÷ 23 = 0.03$
$5.4 ÷ 27 = 0.2$
$0.92 ÷ 23 = 0.04$
$0.57 ÷ 19 = 0.03$
$8.2 ÷ 2 = 4.1$
$9.6 ÷ 16 = 0.6$
$0.36 ÷ 12 = 0.03$
$7.8 ÷ 39 = 0.2$
$4.2 ÷ 60 = 0.07$

$75÷5=$15
$7.5÷5=$1.5
$0.75÷5=$0.15
$48÷4=$12
$4.8÷4=$1.2
$0.48÷4=$0.12
$87÷3=$29
$8.7÷3=$2.9
$0.87÷3=$0.29
$7.4÷37=$0.2
$5.7÷19=$0.3
$0.23÷23=$0.01
$18÷15=$1.2
$1.8÷15=$0.12
$0.18÷15=$0.012
$2.52÷9=$0.28
$25.2÷9=$2.8
$252÷9=$28
$9.5÷19=$0.5
$0.95÷19=$0.05
$95÷19=$5

答案： 解析：
这些题目都是基础的除法运算题，主要考查学生对于除法运算的掌握，特别是涉及到小数的除法。
答案：
$75 ÷ 5 = 15$
$7.5 ÷ 5 = 1.5$
$0.75 ÷ 5 = 0.15$
$48 ÷ 4 = 12$
$4.8 ÷ 4 = 1.2$
$0.48 ÷ 4 = 0.12$
$87 ÷ 3 = 29$
$8.7 ÷ 3 = 2.9$
$0.87 ÷ 3 = 0.29$
$7.4 ÷ 37 = 0.2$
$5.7 ÷ 19 = 0.3$
$0.23 ÷ 23 = 0.01$
$18 ÷ 15 = 1.2$
$1.8 ÷ 15 = 0.12$
$0.18 ÷ 15 = 0.012$
$2.52 ÷ 9 = 0.28$
$25.2 ÷ 9 = 2.8$
$252 ÷ 9 = 28$
$9.5 ÷ 19 = 0.5$
$0.95 ÷ 19 = 0.05$
$95 ÷ 19 = 5$