1

1) 24-15.7=8.3

2) 8.3•6.4=53.12

3) 0.08•11=0.88

4) 0.88+53.12=54

2

1) 5,69-2,85=2,84

2) 2,84*1,5=4,26

3) 7,8*5,4=42,12

4) 4,26+42,12=46,38

5) 46,38-23,88=22,5

3

(98,6·0,1+14·0,15)·3,5-36,86 =(9, 86+2,1)*3,5-36,86=11,96*3,5-36,86=41,86-36,86=5

4

(103,92-5,6*4,2)*0,75-2,8*(10-8,25)=(103,92-23,52)*0,75-2,8*1,75=80,4*0,75-4,9=60,3-4,9=55,4