Va rog raspunde-ti repede! Dau coroana jur!

1.(25+15):5= 40:5= 8
(25+15):5= 25:5+15:5 =5+3 =8
2.(72-24):8= 48:8 = 6
(72-24):8= 72:8-24:8 =9-3 =6
3.(36+27):9= 63:9=7
(36+27):9= 36:9+27:9= 4+3= 7
4.(54-36):6= 18:6= 3
(54-36):6= 54:6-36:6= 9-6= 3