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提问:I often play ping-pong often school.写问句 提问:NO,I don't do

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提问:I often play ping-pong often school.写问句 提问:NO,I don't do homework on sunday.写问句 1.雨燕是距离飞行最快的鸟,一只雨燕3小时可以飞行510千米,一只信鸽每小时可行74千米.雨燕飞行的速度大约是信鸽的多少倍?2.美心蛋糕房特质一种生日蛋糕,每个需要0.32千克面粉.李师傅领了4千克面粉做蛋糕,他最多可以做个生日蛋糕?(进一法) ..
提问:I often play ping-pong often school.写问句 提问:NO,I don't do
一:what do you often in the school?二:have you do your homework?
一:510÷3=170
170÷75=34/15倍
二:4÷0.32≈12.5
所以最多做12个