Question

prosze o szybkie rozwiazanie tych zadan dam naj punktow!!!! zad1 1,245+3,4= 4,35-3,02-= 7,8-0,78= 5,4-5/4 =1 2/5-0,85+3 7/20= 3 3/25-(0,8-1/4)= zad 2 1,2+5/6= 4,8-1 1/3= 33,3+1/3-1,25 =2,25-1,1/3-1,5 =zad3 2/5x5+1/3 =3+2x2/5= 3/4+1/4x8 =8x(1/4+0,25)= 1,6-0,6:2 =5 1/5-1/5x10= DZIEKI !!!

Answer 1

 1]

1,245+3,4= 4,645

4,35-3,02=1,33

 7,8-0,78= 7,02

5,4-5/4 =5,4-1,25=4,15

1 2/5-0,85+3 7/20=1,4-0,85+3,35=3,9

 3 3/25-(0,8-1/4)=3,12-(0,8-0,25)=3,12-0,55=2,57

 zad 2

 1,2+5/6=1,2+0,8=2

 4,8-1 1/3=4,8-1,3=3,5

 33,3+1/3-1,25 =33,3+0,3-1,25=32,35

2,25-1,1/3-1,5 =2,25-1,3-1,5=-0,55

zad3

2/5x5+1/3 =10/5+1/3=2+1/3=2,3

3+2x2/5=3+4/5=3,8

 3/4+1/4x8 =3/4+2=2,75

8x(1/4+0,25)=2+2=4

 1,6-0,6:2 =1,6-0,3=1,3

5 1/5-1/5x10= 5 1/5-2=3 1/5

 

prosze!!