A=9,B=2,C=3,D=4,E=1,F=6,G=8,H=5,I=7
According to A × C = B7, 2 is applied to B .
According to A×E×I=F3, 6 is applied to F.
According to the result of this calculation, A=9 and E×I=7. D×E×F=D×E×6=24,D×E =4.
Because E is a common divisor of 7 and 4, E=1.
Filed under: Sansue (Math for child)
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