Matemáticas, pregunta formulada por cesarmariengarten, hace 6 meses

me ayudan en esto porfa
a) 8 + 6 +( 45 ÷3) +5 + (3X6) =
b) Ordena y resuelve 845,09 X 7 ,8

cesarmariengarten: ヾ(≧▽≦*)o

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