Question

Așează paranteze egalitatile de mai jos pentru a obține relații adevarate;16:8+7x5=45;5x12-6+6-2=14;8:4:2+6x2=2;5x8:4+6-2=5.

Answer 1

(16:8+7)*5=(2+7)*5=9*5=45; 8:(4:2+6)*2=8:8*2=1*2=2. (5*8):(4+6-2)=40:(10-2)=40:8=5

Answer 2

16:8+7x5=45 =>
=> [(16:8)+7]x5=45
=> (2+7)x5 = 45
=> 9x5=45

5x12-6+6-2=14 =>
=>


8:4:2+6x2=2 =>
=>8:[(4:2)+6]x2=2 =>
=>8:(2+6)x2=2 =>
=>8:8x2=2 =>
=>1x2=2


5x8:4+6-2=5 =>
=>(5x8):(4+6-2)=5 =>
=>40:8=5