4.78 divided by 0.2 + 3.44, there are 3.6-0.6 * 2 and 3.6-3.6 * 0.8

3.6-0.6*2
=0.6*6-0.6*2
=0.6*(6-2)
=0.6*4=2.4
3.6-3.6*0.8
=3.6*(1-0.8)
3.6*0.2
=0.72
I don't know the first one

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