a) 364,8 : 0,125 - 364,8 : 0,5 + 364,8 x 1/4

= 364,8 x 8 - 364,8 x 2 + 364,8 x 0,25

= 364,8 x (8 - 2 + 0,25)

= 364,8 x 5,75

= 2097,6

b) 28,4 : 0,2 + 28,4 + 56,8 x 2

= 28,4 x 5 + 28,4 + 28,4 x 4

= 28,4 x (5 + 1 + 4)

= 28,4 x 10

= 284

CÓ!!!!

1. If we (need) __need____some help, we will ask.
2. If Peter stays with his grandparents, Susan (not be) ___won't be___happy.
3. If we win the money, we (buy) __will buy_____ a new house.
4. She (not write) __won't write____ to you if she leaves.
5. We (go) ___will go___ on holiday if there is time.

 8x + 6 = 3x + 41

=> 5x = 35

=> x = 7