Question

a) −7+57 + −9−7−8 = -1
b) 2−(+1)4 =5+26
c) 3−7(+1)6 = 2−13−2
d) 2−53 - −2+87 =x
e) 6−(−8)6 = −2−173 + x

Answer 1

Respuesta:

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