how do you find the area of trapezoid?
matlab-study-10-数值微积分
quadrilateralsandare congruent, so hexagonsandhave the same a
19*1:应该使用了梯形公式/trapezoidformula19*3:应该使用了大名鼎鼎
19*1:应该使用了梯形公式/trapezoidformula19*3:应该使用了大名鼎鼎
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