Respuesta:
= 30
Explicación paso a paso:
180-120 = 60
60 +60+60 =180
180 - 60 = 120
120 + 60 = 180
360 -270 = 90
Entonces:
180 = 90 + B + 60
180-150 = B
30 = B
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Respuesta:
= 30
Explicación paso a paso:
180-120 = 60
60 +60+60 =180
180 - 60 = 120
120 + 60 = 180
360 -270 = 90
Entonces:
180 = 90 + B + 60
180-150 = B
30 = B