Mathematics
Junior High

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Answers

(4)8x÷16=8x/16
=8 × x /16 分母、分子ともに8で割ると
= x/2
(5)−4y÷4=− 4y/4 分母、分子ともに4で割ると
=−y/4
(6)(−14x)÷(-7)=−14x/-7
=(−7)×2x/-7 分母、分子ともに-7で割ると
=2x

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