Proszee potrzebuje na jjutro ;pp
Zad 1
a) 5 x 7+19/10
b) 6 x 7-3/3
c)14-9/9+6 x 3
d) 21 x 1/2 + 7 /7
e) 8/9-4 : 16-10/12
f) (14 x 81-17/21) : 8/3
Zad 2
2,75+0,1 x 10/0,25 x 5
b) 14/ (2 2/3 - 1 1/2 ) x 6
c) 2/3 +1/2 -0,5/ 0,2 -0,8 x 1/8
Proosze ;)
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a) 5 x 7+19/10= 35 i 19=10= 36 i 9/10
b) 6 x 7-3/3= 42-3,3=38,7
c)14-9/9+6 x 3=14-1+18=31
d) 21 x 1/2 + 7 /7= 21/2+1=5 i 1/2= 6,5
e) 8/9-4 : 16-10/12= - 70/36
f) (14 x 81-17/21) : 8/3= 1134-17/21= 1133 i 4/21*3/8= 1133 i 1/14
Zad 2
2,75+0,1 x 10/0,25 x 5= 7,85
b) 14/ (2 2/3 - 1 1/2 ) x 6= 14:(8/3-3/2)*6=14:(16/6-9/6)*6= 14/10:7/1*6/1=14/10*1/7*1=2/10
c) 2/3 +1/2 -0,5/ 0,2 -0,8 x 1/8=-66/60