Question

15÷0.25=	1.5× 2 5 =	2.4+1 3 5 =	1÷1.25×8=
24× 3 8 =	5 12 ÷ 5 6 =	10÷ 5 7 =	8÷ 1 8 + 1 8 ×8=
5 9 ×1.8=	5 7 × 21 25 =	9 13 ÷ 2 3 =	0.78+1 1 3 +0.32=

Answer 1

分析：本题根据小数、分数的加法，减法，乘法，除法的运算法则计算即可．

解答：解：

15÷0.25=60	1.5× 2 5 =0.6	2.4+1 3 5 =4	1÷1.25×8=6.4
24× 3 8 =9	5 12 ÷ 5 6 = 1 2	10÷ 5 7 =14	8÷ 1 8 + 1 8 ×8=65
5 9 ×1.8=1	5 7 × 21 25 = 3 5	9 13 ÷ 2 3 = 27 26	0.78+1 1 3 +0.32= 73 30

点评：完成本题要细心分析式中数据，能简便计算的要简便计算．