Question

Ребята, помогите с математикой, ПОЖАЛУЙСТА !!!

Answer 1

1) $1\frac{1}{2} *3\frac{1}{3} -4\frac{4}{9} :4 = \frac{3}{2} *\frac{10}{3} -\frac{40}{9} *\frac{1}{4}=\frac{5}{1} -\frac{10}{9} =3\frac{8}{9}$

2)$3\frac{2}{7} *1\frac{1}{3} +3\frac{2}{7} *1\frac{2}{3} = \frac{23}{7} *\frac{4}{3} +\frac{23}{7} *\frac{5}{3}=\frac{23*4+23*5}{21} =\frac{207}{27}=7\frac{18}{27}$

Answer 2

1)7/18. 2)23/7. 3)1/685440