osirisredondo1oy34fq
osirisredondo1oy34fq osirisredondo1oy34fq
  • 23-10-2017
  • Mathematics
contestada

HELP ME ASAP
1. (-4/3)-(-3/2)
2 -3.9-8.9
3 2.9-(-9.4)

Respuesta :

Аноним Аноним
  • 23-10-2017
Here is your first answer:

First find whats common which is 6:

-4×2=-8
3×2=6
-3×3=-9
2×3=6

Subtract -9 and -8
But use KCC which makes the equation...
-9+8=-1
-1/6

Here is your second answer:

First use KCC to Chang the equation into...

-3.9
-8.9

Then add:

9+9=18
=-1.28

Here is your third answer:

First change the equation (KCC):

2.9
9.4

9+4=13
3.9=12
=1.23

There are your answers:
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