Question

separar en terminos y resolver:
1) - 2 + 5 . ( - 3) =

2) 7 + 3 . ( - 5) =
3) 7 - 2 . ( - 4 ) =

4) 5- ( - 3 ) . 7 - 4 =
5) - 6 . ( -4 ) - 8 .3 =
6) 5 . 2 + 8 . ( -2 ) + 8 - 2 =
7 ) - 2 . ( -4 ) - 4 . 5 -7 +15 =

Answer 1

1) -2+ 5.(-3) <br /> -2+ (-15) <br /> -2-15 = -17 <br /><br />2) 7+3.(-5)<br /> 7+ (-15)<br /> 7-15 = -8 <br /><br />3) 7-2.(-4)<br /> 7-(-8)<br /> 7+8 = 15<br />4) 5-(-3).7-4<br /> 5+3.7-4 <br /> 5+21-4 = 22<br />