Question

(17/25-0,23);0,5

______________

2 i 3/4+0,85

Answer 1

(0,68-0,23):0,5   :  2,75+0,85=

0,45:0,5         przez   3,6=

0,9:3,6= 3/13

 

Answer 2

(0,68-0,23):0,5           0,45:0,5          4,5:5            0,9            9       1

_____________  =       ________ =    _______  =    _____ =   ____ = ____   = 0,25

2,75+0,85                     3,6                 3,6              3,6          36        4