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Junior High
Mathematics
學霸大大們這3題算式怎么算啊?!
Mathematics
Junior High
over 3 yearsago
GuoLJiang
學霸大大們這3題算式怎么算啊?!
若四邊形四個內角的度數成等差數列,且最大角是最小角的3倍,則最小角是【 】 度。
等差中項—2 I I 1 1 1.等差數列:-6,-11,x,-21,-26,y, 則x=【 ]y=【 】。
圖形規律應用 f t 1. 4 4 车 1. 用一堆火柴棒排成正六邊形(如附圖所示) : (1) 若想排出 12 個正六邊形,共需要多少枝 火柴棒? (2) 146 枝火柴棒可以排成多少個正六邊 形?
Answers
Maggie國三
over 3 yearsago
如圖
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彤彤
over 3 yearsago
字有點醜(著急寫的)抱歉!!
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