Ile to jest? (109)+200-100=?-100=? 57,89-(-4) + 4/5x 1/3 =

109+200-100 = 309-100 =209 57,89-(-4)+ [latex] frac{4}{5} [/latex] · [latex] frac{1}{3} [/latex] = 57,89 + 4 + [latex] frac{4}{15} [/latex] = 61,89 +[latex] frac{4}{15} [/latex] = 61[latex] frac{89}{100} [/latex] + [latex] frac{4}{15} [/latex] =  61[latex] frac{1335}{1500} [/latex] + [latex] frac{400}{1500} [/latex] = 61[latex] frac{1735}{1500} [/latex] = 62[latex] frac{235}{1500} [/latex] = 62[latex] frac{47}{300} [/latex]