问题
填空题
我是小小数学家，我会算。
One dollar plus five dollars equals .
Four dollars plus six dollars equals .
Three dollars plus nine dollars equals .
答案
six dollars, ten dollars, twelve dollars
搜题请搜索小程序“爱下问搜题”
我是小小数学家，我会算。
One dollar plus five dollars equals .
Four dollars plus six dollars equals .
Three dollars plus nine dollars equals .
six dollars, ten dollars, twelve dollars