幼儿园基本算数
Authored by hahahaedc123 apple_user
Mathematics
Professional Development
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1+2=？
3
4
2
1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1-2=？
-1
1
0
-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7!/(5!x(6-3)!)
Example：5!=5x4x3x2x1
64
24
7
128
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
88765/17753x25/125
0.8
4
3.3333333
75
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
幼儿园简易应用题：小明本来掠夺是15532k整。打了一天，赚了5个黑卡3个金砖7个金条16个蓝图一个刚6甲辐射板一个辐射板普6甲42个狗牌8个镜头5个Gpu190个鼓鼓的现金盒但是修甲和枪用了34542700000/690854元，请问现在他的掠夺是？
20539k
17653k
40339k
34581.2k
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知a,b,?r,i是虚数单位，若a?i与2?bi互为共轭复数，则
5?4i
3?4i
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