2( )2( )3( )9( )=24在括号内填加减乘除

问题描述:

2( )2( )3( )9( )=24在括号内填加减乘除

1:(2 + 2 ÷ 3) × 92:(2 + (2 ÷ 3)) × 93:(2 + 2) × (9 - 3)4:2 × (2 × (9 - 3))5:2 × 2 ×(9 - 3)6:(2 × 2) × (9 - 3)7:2 × 3 + 2 × 98:(2 × 3) + 2 × 99:2 × 3 +(2 × 9)10:(2 × 3) + (2 × 9)11:(...对不起我们只能在括号填加减乘除而且数字不能变位置只能按2()2()3()9=241:(2 + 2 ÷ 3) × 92:(2 + (2 ÷ 3)) × 9