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katrin2010 [14]
3 years ago
6

solving a mathematical problem without the use of paper and pencil,calculator, or computer is called using _________ math

Mathematics
2 answers:
pashok25 [27]3 years ago
5 0
It's called mental math
r-ruslan [8.4K]3 years ago
3 0
Solving a mathematical problem without the use of paper and pencil, calculator, or computer is called using mental arithmetic math.
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Ivan

Answer:

The answer is b = 8a

Step-by-step explanation:

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So b = 8a

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