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第6课时乘、除法的简便计算运算定律3优翼www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com
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www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com1.请在下面的○中,填上“>”“<”“=”。420÷6÷5420÷(6×5);848÷4÷2848÷(4×2);350÷5÷7350÷(5×7)。===探索新知二
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我买了5副羽毛球拍,花了330元。还买了25筒羽毛球,每筒32元。www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com(2)每支羽毛球拍多少钱?8探索新知二“一打”是12个。
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