Question

-3/11 × 4/9 - 5/9 × 3/11 = ? -12,6 + 8 1/2 - 7 1/4 + 12 3/5 - 45,8 + 7,25 = ?

Answer 1

-3/11×4/9-5/9×3/11=-3/11×(4/9+5/9)=-3/11
-12,6+8 1/2-7 1/4+12 3/5-45,8+7,25=-12,6+8,5-7,25+12,6-45,8+7,25=8,5-45,8=-37,3