Respuesta:
Explicación paso a paso:
(31+9)+10=31+(9+10)
40 + 10=31 + 19
50 -------- 50
(325 + 100) + 200 = 325 + (100 + 200)
425 + 200 = 325 + 300
625 ---------- 625
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Verified answer
Respuesta:
Explicación paso a paso:
(31+9)+10=31+(9+10)
40 + 10=31 + 19
50 -------- 50
(325 + 100) + 200 = 325 + (100 + 200)
425 + 200 = 325 + 300
625 ---------- 625