一塊布對(duì)折后長(zhǎng)5分米,這塊布長(zhǎng)多少分米?剪去4分米后,還乘下幾分米?
一塊布對(duì)折后長(zhǎng)5分米,這塊布長(zhǎng)多少分米?剪去4分米后,還乘下幾分米?
數(shù)學(xué)人氣:225 ℃時(shí)間:2020-01-30 04:35:53
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