756十757十758十759十760等于多少乘多少等于等于几
756十757十758十759十760等于多少乘多少等于等于几
756十757十758十759十760等于多少乘多少等于等于几
756十757十758十759十760等于多少乘多少等于等于几
(756+760)×5÷2
=1516×5÷2
=3790
756×5+1+2+3+4=3790
756十757十758十759十760等于多少乘多少等于等于几
756十757十758十759十760等于多少乘多少等于等于几
756十757十758十759十760等于多少乘多少等于等于几
(756+760)×5÷2
=1516×5÷2
=3790
756×5+1+2+3+4=3790