29页THREE ( )( )( )( )( )+( )( )( )( )+FOUR _________________

THREE ( )( )( )( )( ) +FOUR = + ( )( )( )( ) ---------- ---- three of four _______minus three is four. ___is three and four?three and four is____? three or four times=three times or four? three of four 和three of the four three and two is four? 1234 one two three four it's four twenty-three Four plus three are seven. every four years等于three? dj one tow three four