一块三角形菜地,面积是176m3,底是22m,求它的高?
人气:476 ℃ 时间:2020-05-19 01:03:17
解答
三角形的高=面积×2÷底
=176×2÷22
=16(米)要列方程设三角形的底是x米22×x÷2=17622x÷2=17611x=176x=176÷11x=16
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