Oblicz . DODAWANIE -4/5+1/10 , 1/6+2/3 , 2/3+1/5 , 4/7+1/2 , ODEJMOWANIE - 8/9-1/3 , 3/10-1/5 , 4/5-2/3 , 5/7-1/4 , DODAWANIE- 2/2i5+3/1i2 , 4/3i7+2/2i3 , 2/3i8+1/1i6 , 4/1i2+2/3i5 , 4/1i4-2/2i3 , 5/1i9-1/5i6 , 3/1i15-1/1i10 , 5/5i3-3/1i2 pliss na jutro

DODAWANIE 1. 4/5+1/10 = 8/10 + 1/10 + 9/10 2. 1/6 + 2/3 = 1/6 + 4/6 = 5/6 3. 2/3 + 1/5 = 10/15 + 3/15 = 13/15 4. 4/7 + 1/2 = 8/14 + 7/14 = 1 1/14 ODEJMOWANIE 1. 8/9 - 1/3 = 8/9 - 3/9 = 5/9 2. 3/10 - 1/5 = 3/10 - 2/10 = 1/10 3. 4/5 - 2/3 = 12/15 - 10/15 = 2/15 4. 5/7 - 1/4 = 20/28 - 7/28 = 13/28 ---- (nie dokońca zrozumiałem zapis, więc nie wiem czy też dobrze jest tutaj zrobione) DODAWANIE 1. 2 2/5 + 3 1/2 = 12/5 + 7/2 = 24/10 + 35/10 = 59/10 = 5 9/10 2. 4 3/7 + 2 2/3 = 31/7 + 8/3 = 93/21 + 56/21 = 149/21 = 7 2/21 3. 2 3/8 + 1 1/6 = 19/8 + 7/6 = 57/24 + 28/24 = 85/24 = 3 13/24 4. 4 1/2 + 2 3/5 = 9/2 + 13/5 = 35/10 + 26/10 = 61/10 = 1 1/10 ODEJMOWANIE 1. 4 1/4 - 2 2/3 = 17/4 - 8/3 = 51/12 - 32/12 = 19/12 = 1 7/12 2. 5 1/9 - 1 5/6 = 36/9 - 11/6 = 72/18 - 33/18 = 39/18 = 2 3/18 3. 3 1/15 - 1 1/10 = 46/15 - 11/10 = 92/30 - 33/30 = 59/30 = 1 29/30 4. 5 5/3 - 3 1/2 = 20/3 - 7/2 = 40/6 - 21/6 = 19/6 = 3 1/6

-4/5+1/10=-4*2/5*2+1/10=-8/10+1/10=-7/10 1/6+2/3=1/6+2*2/3*2=1/6+4/6=5/6 2/3+1/5=2*5/3*5+1*3/5*3=10/15+3/15=13/15 4/7+1/2=4*2/7*2+1*7/2*7=8/14+7/14=15/14= =1 i 1/14 -8/9-1/3=-8/9-1*3/3*3=-8/9-3/9=-11/9=-1 i 2/9 3/10-1/5=3/10-1*2/5*2=3/10-2/10=1/10 4/5-2/3=4*3/5*3-2*5/3*5=12/15-10/15=2/15 5/7-1/4=5*4/7*4-1*7/4*7=20/28-7/28=13/28 kolejne dodawanie jest dla mnie niezrozumiałe (ten zapis) więc rozwiązuje, jak zrozumialem -2 i 2/5 + 3 i 1/2 = -2*5+2/5 + 3*2+1/2= =-12/5+7/2=-12*2/5*2+7*5/2*5=-24/10+35/10= =11/10=1 i 1/10 4 i 3/7 + 2 i 2/3 = 4*4+3/7 + 2*3+2/3= =19/7+8/3=19*3/7*3+8*7/3*7=57/21+56/21= =113/21=5 i 8/21 2 i 3/8 + 1 i 1/6 = 2*8+3/8 + 1*6+1/6 = =19/8+7/6=19*3/8*3+7*4/6*4=57/24+28/24= =85/24=3 i 13/24 4 i 1/2 + 2 i 3/5 = 4*2+1/2 + 2*5+3/5= =9/2+13/5=9*5/2*5+13*2/5*2=45/10+26/10= =71/10=7 i 1/10 4 i 1/4 + 2 i 2/3 = 4*4+1/4 + 2*3+2/3= =17/4+8/3=17*3/4*3 + 8*4/3*4=51/12+32/12= =83/12=6 i 11/12 5 i 1/9 - 1 i 5/6 = 5*9+1/9 - 1*6+5/6 = =46/9-11/6=46*2/9*2-11*3/6*3=92/18-33/18= =59/18=3 i 5/18 3 i 1/15 - 1 i 1/10 = 3*15+1/15 - 1*10+1/10= =46/15-11/10=46*2/15*2 - 11*3/10*3= =92/30-33/30=59/30=1 i 29/30 5 i 5/3 - 3 i 1/2 = 5*3+5/3 - 3*2+1/2 = =20/3-7/2=20*2/3*2 - 7*3/2*3=40/6-21/6= =19/6=3 i 1/6