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= (6/9 + 2 i 2/9) * 18/5 =
= 2 i 8/9 * 18/5=
= 26/9 * 18/5= (skracam 9 z 18)
= 26/1 * 2/5=
= 52/5=
= 10 i 2/5
(1 i 5/6 + 2 i 2/4 + 1 i 5/12) * 24 = (najpierw wykonam działanie w nawiasie)
= (1 i 10/12 + 2 i 6/12 + 1 i 5/12) * 24=
= 4 i 21/12 * 24=
= 69/12 * 24 = (skracam 12 z 24)
= 69/1 * 2=
= 138/1
= 138
3/4 * (10 - 10/27 : 5/6)=
(najpierw w nawiasie wykonam dzielenie, następnie odejmowanie)
= 3/4 *( 10 - 10/27 * 6/5) = (skracam 10 z 5 oraz 27 z 6)
= 3/4*(10 - 2/9 * 2/1)=
= 3/4 *( 10 - 4/9)=
= 3/4 * 9 i 5/9=
= 3/4 * 86/9= (skracam 3 z 9 oraz 4 z 86)
= 1/2 * 43/3=
= 43/6=
= 7 i 1/6
50 - 12 i 2/3 : 5/6 = (najpierw wykonam dzielenie)
= 50 - 38/3 : 5/6=
= 50 - 38/3 * 6/5 = (skracam 3 z 6)
= 50 - 38/1 * 2/5=
= 50 - 76/5=
= 50 - 15 i 1/5=
= 49 i 5/5 - 15 i 1/5=
= 34 i 4/5
1 i 1/5 : 3/5 + 1 i 1/3 * 3/10= (najpierw wykonam mnożenie)
= 6/5 : 3/5 + 4/3 * 3/10 = (skracam 4 z 10 oraz 3 z 3)
= 6/5 * 5/3 + 2/1 * 1/5= (skracam 6 z 3 oraz 5 z 5)
= 2/1 * 1/1 + 2/5=
= 2/1 + 2/5=
= 2 + 2/5=
= 2 i 2/5