(2,125+5/8)*0,8= (8 i 1/3-8,1)*(9-4 i 5/7)= 0,7:7/9+ POMOCY !!! PROSZE !!! TO NA PONIEDZIAŁEK

(2,125+[latex] frac{5}{8} [/latex])·0,8=(2,125+0,625)·0,8=2,75·0,8=2,2 (8[latex] frac{1}{3} [/latex]-8,1)·(9-4[latex] frac{5}{7} [/latex])=([latex] frac{25}{3} [/latex]-8[latex] frac{1}{10} [/latex])·([latex] frac{9}{1} [/latex]-[latex] frac{33}{7} [/latex])=([latex] frac{25}{3} [/latex]-[latex] frac{81}{10} [/latex])·([latex] frac{63}{7} [/latex]-[latex] frac{33}{7} [/latex])=([latex] frac{250}{30} [/latex]-[latex] frac{243}{30} [/latex])·[latex] frac{30}{7} [/latex]=[latex] frac{7}{30} [/latex]·[latex] frac{30}{7} [/latex]=[latex] frac{210}{210} [/latex]=1 0,7:[latex] frac{7}{9} [/latex]+... brak treści Pozdrawiam