问题 解答题

找出下面算式的规律,并利用规律继续编四道题,直接写出得数.

1×8+1=

12×8+2=

123×8+3=

1234×8+4=

______×______+______=______

______×______+______=______

______×______+______=______

______×______+______=______.

答案

1×8+1=9,

12×8+2=98,

123×8+3=987,

1234×8+4=9876,

12345×8+5=98765,

123456×8+6=987654,

1234567×8+7=9876543,

12345678×8+8=98765432.

故答案为:12345,8,5,98765;123456,8,6,987654;1234567,8,7,9876543;12345678,8,8,98765432.

单项选择题 A3/A4型题
问答题 共用题干题