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