Question

3,5 ×(4,9-4,6) --------------------------------------------------2×(4,5-3,6)=?

Answer 1

3,5 ×(4,9-4,6) -2×(4,5-3,6)=3.5*0.3-2*0.9=1.05-1.8= -0.75

Answer 2

3,5 ×(4,9-4,6)=3.5*0.3=1.05

Answer 3

2×(4,5-3,6)=2*0.9=1.8