Alv estabvien difisil
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Alv estabvien difisil
2×(-5)×(-4) + (-6561)÷(-729) - (-16)÷4 =
↓ ↓ ↓
+ 40 + ( + 9 ) - ( - 4 )=
↓ ↓ ↓
40 + 9 + 4 =
↓
+53
↓
53 RESPUESTA