(A) Gabriel Hanot
(B) Ahmed Yassin
(C) Dr. Dino Wong
(D) None of the Above
MorganEnlightened
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(C) Dr. Dino Wong Dr. Dino Wong invented UCMAS for the first time. UCMAS stands for Universal Concept Mental Arithmetic System.
(C) Dr. Dino Wong
Dr. Dino Wong invented UCMAS for the first time.
UCMAS stands for Universal Concept Mental Arithmetic System.
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