《2025年口算训练五年级数学上册人教版双色升级版》

$0.72÷0.36×10=$20
$3.9÷3 - 1.2÷3=$0.9
$10×25 + 0.5×25=$262.5
$4÷0.2 - 2.4÷0.2=$8
$5.7÷0.8 - 0.9÷0.8=$6
$1.07×5 - 5×0.83=$1.2
$5.4 + (0.38 + 0.08)×10=$10
$5×8.25 + 0.75÷0.2=$45
$1.2×7.26 + 0.74×1.2=$9.6
$8×0.8 - 4.8=$1.6
$2×3.14 + 0.06×2=$6.4
$0.1×3.8 + 6.2÷0.1=$62.38
$(5.3 + 7.1 + 2.7)×0.01=$0.151
$91×2.81 + 0.19×91=$273
$1.2×5.02 + 6.98×1.2=$14.4
$(6 - 4.3 - 0.7)×139=$139
$452÷(0.37 + 0.63)=$452
$15.3÷(10.8 - 0.8)=$1.53
$(10 - 1.8 - 7.2)×1.49=$1.49
$5.37×0 + 4.63=$4.63
$2.5×0.7×0.8=$1.4

答案： 解析：这些题目主要考查了小数的四则运算、运算定律以及简便计算。
答案：
$0.72÷0.36×10$
$= 2×10$
$= 20$
$3.9÷3 - 1.2÷3$
$= 1.3 - 0.4$
$= 0.9$
$10×25 + 0.5×25$
$= 25×(10 + 0.5)$
$= 25×10.5$
$= 262.5$
$4÷0.2 - 2.4÷0.2$
$= (4 - 2.4)÷0.2$
$= 1.6÷0.2$
$= 8$
$5.7÷0.8 - 0.9÷0.8$
$= (5.7 - 0.9)÷0.8$
$= 4.8÷0.8$
$= 6$
$1.07×5 - 5×0.83$
$= 5×(1.07 - 0.83)$
$= 5×0.24$
$= 1.2$
$5.4 + (0.38 + 0.08)×10$
$= 5.4 + 0.46×10$
$= 5.4 + 4.6$
$= 10$
$5×8.25 + 0.75÷0.2$
$= 41.25 + 3.75$
$= 45$
$1.2×7.26 + 0.74×1.2$
$= 1.2×(7.26 + 0.74)$
$= 1.2×8$
$= 9.6$
$8×0.8 - 4.8$
$= 6.4 - 4.8$
$= 1.6$
$2×3.14 + 0.06×2$
$= 2×(3.14 + 0.06)$
$= 2×3.2$
$= 6.4$
$0.1×3.8 + 6.2÷0.1$
$= 0.38 + 62$
$= 62.38$
$(5.3 + 7.1 + 2.7)×0.01$
$= 15.1×0.01$
$= 0.151$
$91×2.81 + 0.19×91$
$= 91×(2.81 + 0.19)$
$= 91×3$
$= 273$
$1.2×5.02 + 6.98×1.2$
$= 1.2×(5.02 + 6.98)$
$= 1.2×12$
$= 14.4$
$(6 - 4.3 - 0.7)×139$
$= 1×139$
$= 139$
$452÷(0.37 + 0.63)$
$= 452÷1$
$= 452$
$15.3÷(10.8 - 0.8)$
$= 15.3÷10$
$= 1.53$
$(10 - 1.8 - 7.2)×1.49$
$= 1×1.49$
$= 1.49$
$5.37×0 + 4.63$
$= 0 + 4.63$
$= 4.63$
$2.5×0.7×0.8$
$= 2.5×0.8×0.7$
$= 2×0.7$
$= 1.4$

$0.51÷17=$0.03
$2.9×3=$8.7
$7.1÷0.71=$10
$0.8 - 0.085=$0.715
$1.26 + 0.59=$1.85
$1.89÷0.9=$2.1
$24×0.4=$9.6
$1÷25=$0.04
$10.4 - 2.8=$7.6
$2.5×6=$15
$12.1÷11=$1.1
$5 - 4.2=$0.8
$0.45 + 0.56=$1.01
$0.8 - 0.07=$0.73
$0.45÷0.15=$3
$0.18×5=$0.9
$9.6 + 13=$22.6
$0.48÷24=$0.02
$5.6×1.01=$5.656
$0.96÷0.3=$3.2
$1.78 + 2.2=$3.98

答案： 解析：这些题目都是基础的数学运算题目，包括除法、乘法、加法和减法，主要考察小数和整数的运算能力。
答案：
$0.51 ÷ 17 = 0.03$
$2.9 × 3 = 8.7$
$7.1 ÷ 0.71 = 10$
$0.8 - 0.085 = 0.715$
$1.26 + 0.59 = 1.85$
$1.89 ÷ 0.9 = 2.1$
$24 × 0.4 = 9.6$
$1 ÷ 25 = 0.04$
$10.4 - 2.8 = 7.6$
$2.5 × 6 = 15$
$12.1 ÷ 11 = 1.1$
$5 - 4.2 = 0.8$
$0.45 + 0.56 = 1.01$
$0.8 - 0.07 = 0.73$
$0.45 ÷ 0.15 = 3$
$0.18 × 5 = 0.9$
$9.6 + 13 = 22.6$
$0.48 ÷ 24 = 0.02$
$5.6 × 1.01 = 5.656$
$0.96 ÷ 0.3 = 3.2$
$1.78 + 2.2 = 3.98$