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vodka [1.7K]
3 years ago
7

4.Find the solution mentally.

Mathematics
2 answers:
Trava [24]3 years ago
6 0
3*-4=-12
4*-3=-12
-12*-1=12
garik1379 [7]3 years ago
3 0

Answer:

3×-4=a

a=-12

b×(-3)= -12

-3b= -12

b=-12

-12c=12

c=-1

d×24= -12

24d= -12

d= -1/2 or -0.5

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