Oblicz :
A)
B)
a)8/7 - 2/21=24/21-2/21=22/21=1
b 27/55+8/9 x 3/2=27/55 + 4/3=81/165+ 220/165=301/165= 1
a) 4/7 * 2 - 4/21: 2 = 8/7 - 21/4 * 2 = 8/7 - 2/21 = 24/21 - 2/21 = 22/21= 1 i 1/21
b) 9/11 * 3/5 + 8/9 : 2/3 = 27/55 + 8/9 * 3/2 = 27/55 + 4/3 = 81/165 + 220/165 = 301/165= 1 i 136/165
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a)8/7 - 2/21=24/21-2/21=22/21=1
b 27/55+8/9 x 3/2=27/55 + 4/3=81/165+ 220/165=301/165= 1
a) 4/7 * 2 - 4/21: 2 = 8/7 - 21/4 * 2 = 8/7 - 2/21 = 24/21 - 2/21 = 22/21= 1 i 1/21
b) 9/11 * 3/5 + 8/9 : 2/3 = 27/55 + 8/9 * 3/2 = 27/55 + 4/3 = 81/165 + 220/165 = 301/165= 1 i 136/165