Question

$(5.2 - 1.4) \div \frac{3}{70} \\ (2.7 - 0.8) \times 2 \ \frac{1}{3}$
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Answer 1

(5,2-1,4):3/70= 3,8:3/70= 38/10*70/3= 38*7/3= 266/3= 88 2/3

(2,7-0,8)*7/3= 1,9*7/3= 19/10*7/3= 133/30= 4 13/30