Question

resolver estas multiplicaciones y divisiones de enteros
a (-7)(-3)(-2)(-1) (multiplicacion)
b -[-(3)(7)]
-----------
-(7)(-1)
c -17+20-30-5+6
d +27-10-40-30
e -9-7-8-10
f -10-17-20+100
g (-17)(-22)
-----------------
-18
h (-7)(-8)(-1)(-2)
--------------------------
(-7)(-2)
i (-56)(-3)
---------------
-8

Answer 1

(-7)(-3)(-2)(-1)
(+21)(+2)
+42


-[-(3)(7)] -[-21] +21
----------- = --------- = ------- = 3
-(7)(-1) -(-7) +7



-17+20-30-5+6
20+6 -17-30-5
26 - 52
-26


+27-10-40-30
+27 - 80
-53


-9-7-8-10 = -34



-10-17-20+100
-47+100
53


(-17)(-22) +374
-------------- = -------- = 20,7
-18 -18


(-7)(-8)(-1)(-2)
------------------- = (-8)(-1) = +8
(-7)(-2)

Se eliminan (-7) y (-2)



(-56)(-3) +168
------------ = -------- = - 21
-8 -8