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题目
the students c() tne r() by b() every day根据句意及首字母提示补全单词
还有一个:my litty brother isn't a() to stay at home by himself

提问时间:2020-11-01

答案
举一反三
He playing the piao every day.(He后面是什么单词?首字母为p)
根据首字母提示补全单词.I e- rice every day.
一个圆锥底面半径为6,圆锥侧边展开图扇形圆心角为240度,求母线长.
一个圆锥的底面半径为6cm,圆锥侧面展开图扇形的圆心角为240度,则圆锥的母线长为多少?
a加b等于6,a乘b等于4,问(a减b)的平方
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