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两道有理数除法题~
16÷1/4x(-4)=
35÷(7-5)=
人气:286 ℃ 时间:2020-03-19 19:47:33
解答
16÷1/4x(-4)
= 64X (-4)
= - 256
35÷(7-5)
=35 ÷ 2
= 17.5
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