Question

【题目】直接写出得数．

7.2+0.78= 0.36+0.64= 0.96÷0.3= 12×2.5=

8﹣2.5= 8.4÷4.2= 1.25×0.8= 7.8﹣0.54=

Answer 1

【答案】7.98,1,3.2,30,5.5,2,1,7.26

【解析】

试题分析：根据小数加减乘除法的计算方法时进计算．

解：7.2+0.78=7.98 0.36+0.64=1 0.96÷0.3=3.2 12×2.5=30

8﹣2.5=5.5 8.4÷4.2=2 1.25×0.8=1 7.8﹣0.54=7.26