Question

prosze obliczcie:

1.(17,8+2,48)*5,05-13,85*4,2

2.2,75+34,25*(57,6-7,6*7,5)

3.72,3-2,05*(6,03*5,4-30,062)

Z GÓRY WIELKIE DZIĘKI ;)

Answer 1

1. (17,8+2,48)*5,05-13,85*4,2= 20.28*5.05-13.85*4.2=102.414-58.17= 42.244

2. 2,75+34,25*(57,6-7,6*7,5)= 2,75+34,25*(57,6-57)= 37*0.7= 25.9

3. 72.3-2,05*(6,03*5,4-30,062)= 72.3-2.05*(32.562-30.062)=

72.3-2.08*2.5= 72.3-5,2= 68.1

 

 

 

Answer 2

1. = 20,28 * 5,05 - 58,254 = 102,414 - 58,254 = 44,16

2. = 2,75 + 34,25 * 0,6 = 2,75 + 20,55 = 23,30

3. = 72,3 - 2,05 * 2,5 = 72,3 - 5,125 = 67,175