问题
解答题
六年级四个班进行跳绳比赛.
|
答案
(1)二班跳绳的个数:480×(1+
)1 6
=480×7 6
=560(个)
(2)三班跳绳的个数:480÷(1-
)1 9
=480÷8 9
=480×9 8
=540(个)
(3)四班跳绳的个数:480×
+1302 3
=320+130
=450(个)
又因560>540>480>450
所以二班跳得最多.
六年级四个班进行跳绳比赛.
|
(1)二班跳绳的个数:480×(1+
)1 6
=480×7 6
=560(个)
(2)三班跳绳的个数:480÷(1-
)1 9
=480÷8 9
=480×9 8
=540(个)
(3)四班跳绳的个数:480×
+1302 3
=320+130
=450(个)
又因560>540>480>450
所以二班跳得最多.