问题
解答题
甲、乙、丙三个数的比是3:4:5,已知丙是9.5,甲、乙两数之和是______.
答案
9.5÷
,5 3+4+5
=9.5÷
,5 12
=22.8,
22.8-9.5=13.3,
答:甲、乙两数之和是13.3,
故答案为:13.3
甲、乙、丙三个数的比是3:4:5,已知丙是9.5,甲、乙两数之和是______.
9.5÷
,5 3+4+5
=9.5÷
,5 12
=22.8,
22.8-9.5=13.3,
答:甲、乙两数之和是13.3,
故答案为:13.3