一道题做不出..▲● means 8,▲▲▲●● means 17,What does ▲▲●●●● mean?A.22 B.42 C.30 D.33还有答案是在A B C D 4个选项中啊.
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一道题做不出..▲●means8,▲▲▲●●means17,Whatdoes▲▲●●●●mean?A.22B.42C.30D.33还有答案是在ABCD4个选项中啊.一道题做不出..▲●means8,▲
一道题做不出..▲● means 8,▲▲▲●● means 17,What does ▲▲●●●● mean?A.22 B.42 C.30 D.33还有答案是在A B C D 4个选项中啊.
一道题做不出..
▲● means 8,▲▲▲●● means 17,What does ▲▲●●●● mean?
A.22 B.42 C.30 D.33
还有答案是在A B C D 4个选项中啊.
一道题做不出..▲● means 8,▲▲▲●● means 17,What does ▲▲●●●● mean?A.22 B.42 C.30 D.33还有答案是在A B C D 4个选项中啊.
It means 30
选C
设▲为x,●为y
x+y=8
3x+2y=17
x=1
y=7
▲ = ▲▲▲●●-▲●*2 = 17-8*2 = 1
so
● = ▲●-▲ = 7
so
▲▲●●●● = 2*▲ + 4*● =30
select C.30
用方程解啊~
设三角为X
设圆点为Y
则有：
X+Y=8
3X+2Y=17
解出X=1,Y=7
所以2X+4Y=30
所以选C啊
o(∩_∩)o...
选C。
三角＝1，圆＝7，所以2个三角4个圆＝30，简单的二元一次方程。
一道题做不出..▲● means 8,▲▲▲●● means 17,What does ▲▲●●●● mean?A.22 B.42 C.30 D.33还有答案是在A B C D 4个选项中啊.
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