Respuesta:
40
Explicación paso a paso:
10+5=15
15÷2=7.5
7.5-10= -2.5
-2.5×2= -5
-5+20=15
15+25=40.
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Verified answer
Respuesta:
40
Explicación paso a paso:
10+5=15
15÷2=7.5
7.5-10= -2.5
-2.5×2= -5
-5+20=15
15+25=40.