Respuesta:
+15+(-12)=3
(-18)+(+30)=12
(+⁷/⁴)+(-²/⁴)=⁹/⁴
a) 15 + (-12)= 3
b) -18 + 30= 12
c) 7/4 + 2/4 = 9/4
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Verified answer
Respuesta:
+15+(-12)=3
(-18)+(+30)=12
(+⁷/⁴)+(-²/⁴)=⁹/⁴
Respuesta:
a) 15 + (-12)= 3
b) -18 + 30= 12
c) 7/4 + 2/4 = 9/4