4.37.25.5.2

1) 4.37.25.5.2
3) 28.(231+69)+72. (69 +231)
5). 84:4+3:37 +5°
7) 120-130-(39-7.5)
thông dụng nhạc
9) (210:16 +3:(6+3.2²)]}-3
2) 25.73 +25.27-100
4) 189+73+211 +127
6) 2.52 +3:71° -54:3³
8) 205-[1200-(4²-2.3)]: 40
10) 375: (32-[4+(5. 3²-42)]}-14