Wykonajcie dla mnie te dzialania pls, dam naj ;]
Potrzebuje jeszcze na dzisiaj.
j) 1i2/3(2,1- 1i1/5)+2i1/2*2 = 1i2/3*(2,1-1,2)+ 5/2*2= 5/3*9/10 +10/2=
1/1*3/2 +5 = 3/2+5 = 6 i 1/2
k) 6i1/4"2,5 + (2/9 + 1,4)*3i3/5 = 6,25 : 2,5 +(2/9+ 1i4/10) * 18/5 =
=2,5 + (20/90+1i36/90)*18/5 = 2,5 + 1i56/90 *18/8 = 2,5 + 146/90*18/5 =
= 2,5 + 146/5 * 1/5 = 2,5 +146/25 = 2i5/10 + 5i21/25 = 2 i 25/50 +5 i 42/50=
=7 i 67/50 = 8 i 17/50
l) 4 i 2/19 *3 i 1/6 -5,2 78/19* 19/6 - 5,2 78//1 * 1/6 - 5,2
____________________ = _________________ =___________________ =
6 + 3 i 1/4 : 0,5 6 + 13/4 * 10/5 6 +13/2 * 5/5
= 78/6 - 5,2 13 - 5,2 7,8
__________ = _______ = ________ = 7,8 : 12,5 = 0,624
6 + 13/2*1 6 + 6,5 12,5
ł) ( 6,5 - 2i1/3 ) : 1 i 2/3 (6 i 5/10 - 2 i1/3) : 5/3
______________________ = _____________________ =
3,4:(2i2/3-0,4) 3,4 : (2i2/3 - 4/10)
( 6 i 15/30 - 2i10/30) : 5/3 4 i 5/30 * 3/5 125/30 * 3/5
________________________ = ________________ = _____________ =
3,4 : ( 2i20/30 -12/30) 3,4 : 2 i 8/3 34/10 : 68/30
25/10 *1/1 25/10* 1 2,5
= _________=_________ = _______ = 2,5 : 1,5 = 1,67
34/10*30/68 1/1*3/2 3/2
j) 1frac{2}{3}(2,1-1frac{1}{5})2frac{1}{2}*2=
frac{5}{3}(frac{21}{10}-frac{6}{5})+frac{5}{2}*2=
frac{5}{3}(frac{21}{10}-frac{12}{10})+5=
frac{5}{3}*frac{9}{10}+5=
frac{3}{2}+5=
frac{3}{2}+frac{10}{2}=
frac{13}{2}=
6rac{1}{2}=
6,5
k) 6frac{1}{4}/2,5+(frac{2}{9}+1,4)*3frac{3}{5}=
frac{25}{4}*frac{10}{25}+(frac{2}{9}+frac{14}{10})*frac{18}{5}=
frac{5}{2}+(frac{20}{90}+frac{126}{90})*frac{18}{5}=
frac{5}{2}+frac{146}{90}*frac{18}{5}=
frac{5}{2}+frac{146}{25}=
frac{125}{50}+frac{292}{50}=
frac{417}{50}=
8frac{17}{50}
l) (4frac{2}{19}*3frac{1}{6}-5,2)/(6+3frac{1}{4}/0,5)=
(frac{78}{19}*frac{19}{6}-frac{52}{10})/(6+frac{13}{4}*frac{10}{5})=
(frac{130}{10}-{52}{10})/(6+frac{65}{10})=
(frac{78}{10)/(frac{60}{10}+{65}{10})=
frac{78}{10}/frac{125}{10}=
frac{78}{10}*frac{10}{125}=
frac{78}{125}
ł) [(6,5-2frac{1}{3})/1frac{2}{3}]/[3,4/(2frac{2}{3}-0,4]=
[(frac{65}{10}-frac{7}{3})/frac{5}{3}]/[frac{34}{10}/(frac{8}{3}-frac{4}{10})]=
[(frac{195}{30}-frac{70}{30})/frac{5}{3}]/[frac{34}{10}/(frac{80}{30}-frac{12}{30})]=
[frac{125}{30}*frac{3}{5}]/[frac{34}{10/{68}{30}]=
[frac{25}{10}]/[frac{34}{10}*frac{30}{68}]=
frac{25}{10}/frac{3}{2}=
frac{25}{10}*frac{2}{5}=
frac{25}{15}=
1frac{2}{3}
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j) 1i2/3(2,1- 1i1/5)+2i1/2*2 = 1i2/3*(2,1-1,2)+ 5/2*2= 5/3*9/10 +10/2=
1/1*3/2 +5 = 3/2+5 = 6 i 1/2
k) 6i1/4"2,5 + (2/9 + 1,4)*3i3/5 = 6,25 : 2,5 +(2/9+ 1i4/10) * 18/5 =
=2,5 + (20/90+1i36/90)*18/5 = 2,5 + 1i56/90 *18/8 = 2,5 + 146/90*18/5 =
= 2,5 + 146/5 * 1/5 = 2,5 +146/25 = 2i5/10 + 5i21/25 = 2 i 25/50 +5 i 42/50=
=7 i 67/50 = 8 i 17/50
l) 4 i 2/19 *3 i 1/6 -5,2 78/19* 19/6 - 5,2 78//1 * 1/6 - 5,2
____________________ = _________________ =___________________ =
6 + 3 i 1/4 : 0,5 6 + 13/4 * 10/5 6 +13/2 * 5/5
= 78/6 - 5,2 13 - 5,2 7,8
__________ = _______ = ________ = 7,8 : 12,5 = 0,624
6 + 13/2*1 6 + 6,5 12,5
ł) ( 6,5 - 2i1/3 ) : 1 i 2/3 (6 i 5/10 - 2 i1/3) : 5/3
______________________ = _____________________ =
3,4:(2i2/3-0,4) 3,4 : (2i2/3 - 4/10)
( 6 i 15/30 - 2i10/30) : 5/3 4 i 5/30 * 3/5 125/30 * 3/5
________________________ = ________________ = _____________ =
3,4 : ( 2i20/30 -12/30) 3,4 : 2 i 8/3 34/10 : 68/30
25/10 *1/1 25/10* 1 2,5
= _________=_________ = _______ = 2,5 : 1,5 = 1,67
34/10*30/68 1/1*3/2 3/2
j) 1frac{2}{3}(2,1-1frac{1}{5})2frac{1}{2}*2=
frac{5}{3}(frac{21}{10}-frac{6}{5})+frac{5}{2}*2=
frac{5}{3}(frac{21}{10}-frac{12}{10})+5=
frac{5}{3}*frac{9}{10}+5=
frac{3}{2}+5=
frac{3}{2}+frac{10}{2}=
frac{13}{2}=
6rac{1}{2}=
6,5
k) 6frac{1}{4}/2,5+(frac{2}{9}+1,4)*3frac{3}{5}=
frac{25}{4}*frac{10}{25}+(frac{2}{9}+frac{14}{10})*frac{18}{5}=
frac{5}{2}+(frac{20}{90}+frac{126}{90})*frac{18}{5}=
frac{5}{2}+frac{146}{90}*frac{18}{5}=
frac{5}{2}+frac{146}{25}=
frac{125}{50}+frac{292}{50}=
frac{417}{50}=
8frac{17}{50}
l) (4frac{2}{19}*3frac{1}{6}-5,2)/(6+3frac{1}{4}/0,5)=
(frac{78}{19}*frac{19}{6}-frac{52}{10})/(6+frac{13}{4}*frac{10}{5})=
(frac{130}{10}-{52}{10})/(6+frac{65}{10})=
(frac{78}{10)/(frac{60}{10}+{65}{10})=
frac{78}{10}/frac{125}{10}=
frac{78}{10}*frac{10}{125}=
frac{78}{125}
ł) [(6,5-2frac{1}{3})/1frac{2}{3}]/[3,4/(2frac{2}{3}-0,4]=
[(frac{65}{10}-frac{7}{3})/frac{5}{3}]/[frac{34}{10}/(frac{8}{3}-frac{4}{10})]=
[(frac{195}{30}-frac{70}{30})/frac{5}{3}]/[frac{34}{10}/(frac{80}{30}-frac{12}{30})]=
[frac{125}{30}*frac{3}{5}]/[frac{34}{10/{68}{30}]=
[frac{25}{10}]/[frac{34}{10}*frac{30}{68}]=
frac{25}{10}/frac{3}{2}=
frac{25}{10}*frac{2}{5}=
frac{25}{15}=
1frac{2}{3}