Toán Lớp 6: 1 . 25:{32:[8+4.(16:2^3)]} 2 . 305:[3^2.5+(7-3)^2] 3 . 17.131+69.17 4 . 18:{23-[36-(3+1)^2]} 5 . 234:(5.4^2-18:3^2) 6. . 300-2.[150-(1

Toán Lớp 6: 1 . 25:{32:[8+4.(16:2^3)]}
2 . 305:[3^2.5+(7-3)^2]
3 . 17.131+69.17
4 . 18:{23-[36-(3+1)^2]}
5 . 234:(5.4^2-18:3^2)
6. . 300-2.[150-(15-5)^2]
7 . 12.{400:[500-(125+25.7)]}
8 . 18:3+182+3.(51:17)
9 . 25.8-12.5+170:17-8
10 . 677-195.93:465+372
11 . 35^0.12.173+12.27
12 . 73.5^2+5^2.28-5^2
13 . 321-21.[2.3^3+4^4:32-52]
14 . 125+70+370+230
15 . 120:{54-[50:2-(3^2-2.4)]}
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