Question

rozwiązcie , tylko z obliczeniami . :

7 - 4/5 : 2 1/2 =

1 1/4 * 1 3/5 - [ o, 6 - 0 ,55 ] =

4 1/2 * 2/33-1/4 4, 5 * 2 + 0, 4 * 5 =

bardzo proszę o pomoc nawet jedno . :: ***

Answer 1

7 - 4/5 : 2 1/2 =7-4/5:5/2=7-4/5*2/5=7-8/25=6i17/25

1 1/4 * 1 3/5 - [ o, 6 - 0 ,55 ] =5/4* 8/5-0.05=2-0.05=1.95

4 1/2 * 2/33-1/4 = 9/2*2/33-1.4=9/33-14/10=90/330-42/330=48/330=24/165

 

4, 5 * 2 + 0, 4 * 5 =45/10*2+4/10*5=45/5+2=9+2=11

Answer 2

7 - 4/5:2 1/2 = 7- 4/5*5/2= 7- 2=5

1 1/4*1 1/3 -[0.6-0.55]= 1 2/3-0.05=85/300

4 1/2 * 2/33 - 1/4= 2097/200

4.5*2+0.4*5=9+2=11

proszę;)