2 4 2 10 3 2 1 s 2 3Solution24210321 523 2161031 58
2 (4 2 - 10 ) - 3 (-2 + 1) / s -2 3
Solution
2(42-10)-3(-2+1)
-----------------------------------
5-23
=
2(16-10)-3(-1)
-----------------------------------
5-8
=
2(6)-(-3)
-----------------------------------
-3
=
(12)-(-3)
-----------------------------------
-3
=
12+3
-----------------------------------
-3
=
-15
-----------------------------------
-3
=5
