Relier Pairs SEVENTH GRADE - MATHSVersion en ligne Matching exercise. par Laura Andrea Pineda Uribe 1 7 X = TWENTY EIGHT 2 -5 + - ( FIVE * ONE ) = 3 2 . ( 1 + 2 x ) = TEN 4 TWELVE + ( FIFTY THREE - FORTY EIGHT) = 5 ONE / SEVEN + ONE / FIVE = TWELVE / THIRTY FIVE X = TWO - TEN SEVENTEEN X = FOUR