Question

Simplifica as expressões algébricas: a) 8+2=
b) 7−2=
c) 22−92=
d) 42−2=
e) 4−6=
f) 5−5=
g) 62−82= h) −32+82= i) 7−5+3= j) 2−−10= k) 4+−7=

Answer 1

Resposta:

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