3*3=?
3( )3( )3( )=0 3( )3( )3( )=1 3( )3( )3( )=2
填符号括号.3 3 3 3=1 3 3 3 3=2 3 3 3 3=3 3 3 3 3=4 3 3 3 3=5 3 3
3 3 3 3 3 3 = 100
3=3=3?abcdefg
3 3 3 3=4 3 3 3 3=5 3 3 3 3=6 3 3 3 3=7 3 3 3 3=8 在空格填上符号,使算
填运算符号.3()3()3()3=13()3()3()3=23()3()3()3=33()3()3()3=8
=3=
3 3 3 3 3 =5 填符号
3X=3+43,
1/3*3=0.999...
1.8 * 3 - 3X = 3
填上合适的符号和括号:3 3 3 3=5 .3 3 3 3=7 .3 3 3 3=2.3 3 3 3=4 .3 3 3