Oblicz:
a) [ 1/2 - 1/3 ] \do potęgi drugiej\ =
[ 1/2 + 1/4 ] \do potęgi drugiej\ =
[ 3/4 - 1/2] \do potęgi drugiej\ =
b) [2 i 3/4 - 1 i 1/2] \do potęgi drugiej\ =
[ 1 i 2/3 + 1 i 1/2] \do potęgi trzeciej\ =
[ 4 i 1/2 - 3 i 3/5] do potęgi drugiej\ =
c) 4 i 3/10 - [ 6/10 - 1/2 ] \do potęgi drugiej\ =
5 i 2/3 + [1 i 1/2 + 3/4] \do potęgi drugiej\ =
7 i 1/4 - [2 i 1/2 - 2/3 ] \do potęgi drugiej\ =
PAMIĘTAJ!!! Tylko w drugim zadaniu w pod punkcie "b" jest do potęgi trzeciej!
Z góry dzięki. ;)
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a) 1/4 - 1/9= 9/36 - 4/36=5/36
1/2 + 1/4 = 4/16 + 1/16=5/16
9/16 - 1/4= 9/16 - 4/16= 5/16
B)11/4 - 2/2= 121/16 -4/4= 121/16 - 16/16= 105/16= 6 i 9/16
125/27 + 8/8= 1000/216 + 216/216= 1216/216=5 i 34/54
81/4 - 324/25= 2025/1000- 1296/1000=729/1000=7,29
c)19/4- (36/10-1/4)=19/4 - (72/20-5/20)=19/4-67/20=95/20-67/20=1 i 2/5
17/3 + (3/2+3/4)=17/3+ (9/4 + 9/16)=17/3+(36/16+9/16)=17/3 + 45/16=72/48+135/48=407/48=8 i 23/48
29/4-(5/2-2/3)=29/4-(25/4-4/9)=29/4-(225/36-16/36)=29/4-209/36=261/36-209/36=52/36=1 i 4/9
a)=1/36
=9/16
=1/16
b)=1 i 9/16
=31 i 163/216
=81/100
c)=4 i 29/100
=5 i 2/3 + 81/16
=140/36