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- Where is the fifth-grade math master in primary school! ! Just ask the first little question!
Where is the fifth-grade math master in primary school! ! Just ask the first little question!
Hello, this question first moves the item, and the equation moves 4 to the right, that is, 7/ 10x= 102-4=98, so x=98/(7/ 10).
=98*( 10/7), 98 and 7 are divisible, and the result is 14, so 14* 10= 140.
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