观察下列各题 1+3 =" 4" = 221+3+5 =" 9" = 32 1+
题型:填空题
问题:
观察下列各题
1+3 =" 4" = 22 1+3+5 =" 9" = 32
1+3+5+7 =" 16" = 42 1+3+5+7+9 =" 25" = 52
……
根据上面各式的规律,请直接写出1+3+5+7+9+…+99 = .
观察下列各题
1+3 =" 4" = 22 1+3+5 =" 9" = 32
1+3+5+7 =" 16" = 42 1+3+5+7+9 =" 25" = 52
……
根据上面各式的规律,请直接写出1+3+5+7+9+…+99 = .