Question

直接写出得数．

6.3+3.7=	9-1.8=	1.4×0.5=	3.9-0.39=	0.49÷0.7=	1.53+0.8=
9.2×0.01=	0.25×12=	0.51÷0.3=	70÷0.5=	1.8×8=	0.75×4=

Answer 1

解：

6.3+3.7=10	9-1.8=7.2	1.4×0.5=0.7	3.9-0.39=3.51	0.49÷0.7=0.7	1.53+0.8=2.33
9.2×0.01=0.092	0.25×12=3	0.51÷0.3=1.7	70÷0.5=140	1.8×8=14.4	0.75×4=3

分析：根据小数的加减乘除的计算法测进行计算即可．
点评：此题考查了学生小数的口算能力．