MATEMATYKA KLASA 4 BŁAGAM O POMOC JAK NAJSZYBSZĄ DLA BRATA
A) 8 *( \frac{x}{y} - \frac{x}{y} )
X w [pierwszym ułamku wynosi 5 a Y =6
W 2 UŁAMKU X wynosi 2 a Y =6
8* ( 5/6 - 2/6 )=
B)UŁAMKI 2/3 = UŁAMEK ;)
14 2/3 - 6 * 2 1/3
C) 4 * ( 1/8 +4/8) - 2 * 3/8 =
D) 5 3/4 - 1/4 *(6 2/7 - 3 2/7 ) =
BLAGAM O POMOC
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A)
8* ( 5/6 - 2/6 )=
8* 3/6= 4
B)
14 2/3 - 6 * 2 1/3=
14 2/3 - 6* 7/3=
14 2/3 - 14= 2/3
C)
4 * ( 1/8 +4/8) - 2 * 3/8 =
( 4* 5/8 ) - 3/4=
5/2 - 3/4= 10/4- 3/4= 7/4
D)
5 3/4 - 1/4 *(6 2/7 - 3 2/7 ) =
5 3/4 - 1/4* 3=
5 3/4 - 3/4= 5
8* ( 5/6 - 2/6 )=8*3/6=8*1/2=4
14 2/3 - 6 * 2 1/3=44/3- 6*7/3=44/3-42/3=2/3
4 * ( 1/8 +4/8) - 2 * 3/8 =4*5/8 - 6/8=20/8 - 6/8=14/8=1 6/8=1 3/4
5 3/4 - 1/4 *(6 2/7 - 3 2/7 )=23/4-1/4*(44/7-23/7)=23/4-1/4*21/7=23/4-3/4=20/4=5