Question

-1 3/4:(-7)+6.3:10-(-3 7/10)*5

Answer 1

$- 1 \frac{3}{4} \div ( - 7) + 6.3 \div 10 - ( - 3 \frac{7}{10} ) \times 5 = \frac{7}{4 \times 7} + 0.63 + \frac{37 \times 5}{10} = \frac{1}{4} + 0.63 + \frac{37}{2} = 0.25 + 0.63 + 18.5 = 19.38$