números racionales
(-13+9).(-7)
45:(24-39)
-144:8:(-2)
-6.(-3.7+23)-40:(-2+10
(-13+9).(-7)
45:(24-39)
-144:8:(-2)
-6.(-3.7+23)-40:(-2+10
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Respuesta:
1) -4(-7) = +28
2) 45÷(-15) = -3
3) -18:(-2) = 9
4) -6.2-40÷8 = -12-5 = -17
en resumen:
+28
-3
+9
-17
(lo siento aveces ni yo me entiendo)