Все кроме 5 пожалуйста

[latex]5 \frac{2}{7} = \frac{37}{5} [/latex] [latex]3 \frac{5}{16} = \frac{53}{16} [/latex] [latex]8 \frac{9}{12} = \frac{105}{12} [/latex] [latex]4 \frac{7}{13} = \frac{59}{13} [/latex] №2  [latex] \frac{74}{6}= 12 \frac{1}{3} ; \frac{52}{7} =7 \frac{3}{7} ; \frac{93}{15} =6 \frac{1}{5} ; \frac{87}{11}= 7 \frac{10}{11} [/latex] №3 [latex]12 \frac{7}{14} +6 \frac{15}{14}=19 \frac{8}{14} =19 \frac{4}{7} [/latex] [latex]19-6 \frac{5}{18}=13 \frac{13}{18} [/latex] [latex]9 \frac{6}{14} -3 \frac{9}{14}=8 \frac{20}{14}-3 \frac{9}{14} =5 \frac{11}{14} [/latex] 4. [latex] \frac{45}{x-6}=8; [/latex]   8(x-6)=45 8x-48=45 [latex]x=11 \frac{5}{8} [/latex] б)(2х+12):7=13 (2х+12)=13*7 2х+12=91 2х=91-12 х=79:2 [latex]x=39 \frac{1}{2} [/latex]

1.5 2/7=37/7;3 5/16=53/16;8 9/12=105/12;4 7/13=59/13 2.74/6=12 2/6=12 1/3;52/7=7 3/7;93/15=6 3/15=6 1/5;87/11=7 10/11 3.а)12 7/14+6 15/14=18 22/14=19 8/14=19 4/7 б)19-6 5/18=18 18/18-6 5/18=12 13/18 в)9 6/14-3 9/14=8 20/14-3 9/14=5 11/14 4.а)8×(х-6)=45 8х-48=45 8х=45+48 8х=93 х=11,625 45/11,625-6=8 45/5,625=8 8=8 б)(2х+12)÷7=13 2х+12=13×7 2х=91-12 х=79÷2 х=39,5 (2×39,5+12)÷7=13 (79+12)÷7=13 91÷7=13 13=13