Question

2.5+3.7=	217÷7=	70-34=
1.2×0.5=	1.3+27=	1.5÷0.5=
4.5-0.5=	25×0.4=	3 8 × 4 9 =
1 3 - 1 5 =	35× 4 7 =	2 15 + 3 5 =
9÷ 3 8 =	2 5 + 1 2 =	8 9 - 5 9 =
7 10 ÷ 7 17 =

Answer 1

2.5+3.7=6.2，	217÷7=31，	70-34=36，
1.2×0.5=0.6，	1.3+27=28.3，	1.5÷0.5=3，
4.5-0.5=4，	25×0.4=10，	3 8 × 4 9 = 1 6 ，
1 3 - 1 5 = 2 15 ，	35× 4 7 =20，	2 15 + 3 5 = 11 15 ，
9÷ 3 8 =24，	2 5 + 1 2 = 9 10 ，	8 9 - 5 9 = 1 3 ，
7 10 ÷ 7 17 = 17 10 ．