作业帮找规律,写数字1.four,____,twelve_____,_____2.three,six._____,twelve,______,______3.ten,twelve,_____,____,______,twenty4.one,three,six,____,_____,twenty-one请说明为什么
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找规律,写数字1.four,____,twelve_____,_____2.three,six._____,twelve,______,______3.ten,twelve,_____,____,______,twenty4.one,three,six,____,_____,twenty-one请说明为什么
找规律,写数字
1.four,____,twelve_____,_____
2.three,six._____,twelve,______,______
3.ten,twelve,_____,____,______,twenty
4.one,three,six,____,_____,twenty-one
请说明为什么
找规律,写数字1.four,____,twelve_____,_____2.three,six._____,twelve,______,______3.ten,twelve,_____,____,______,twenty4.one,three,six,____,_____,twenty-one请说明为什么
1.four,eight ,twelve sixteen,twenty 4 8 12 16 20
2.three,six.nine,twelve,fifteen,eighteen 3 6 9 12 15 18
3.ten,twelve,fourteen,sixteen,eighteen,twenty 10 12 14 16 18 20
4.one,three,six,ten,fifteen,twenty-one 1 3 6 10 15 21
1.eight sixteen twenty
2.nine fifteen eighteen
3.forteen sixteen eighteen
4.ten fifteen
1. four,eight,twelve，sixteen,twenty
2. three,six.nine,twelve,fifteen,eighteen
3. ten,twelve,fourteen,sixteen,eighteen,twenty
4. one,three,six,ten,fifteen,twenty-one