Tính: 12 : {390 : [500 - (125 + 35.7)]}

Bari 2. Jind
a₁ 12: L 390: [ 500 - (125 +357)]}
&
b, 12000 1200 1500 2 + 1800.3 + 1800. 2:3)
C/545-C45 +4.25)] : 50-2006: 250 +215 - 213
-
f
fr
Mon Tue Wed Thu Fri Sat O
O
di [504-(258 +70]:9-15+19°
€₁ 39 37 +592
е
2.2
9₁5. £26- [ 3 C 5+2.5) +15] · 156
h, [1104- (25.8+40]:9 +316 312
2
1₁ 2 ²³.5 ²³ 2 7 ² 2 ³ -52. [4³:8 + 11². 121-2 (37-5.7)]}
8+112.
Giúp tui