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. 一道英语题One fourth means a_____ 一道初中英语填空题Doing sports___ (ttcavseiii) means exercise. 一道初一英语试题请用所给词适当形式填空词：dumpling句：Jiaozi means in English句子是：Jiaozi means ____ in English means是什么意思 By means means是什么意思 lucky means? by means means是什么意思 “what means Means honey and means“ Cwt means? XD means? inmeans The word bear in Line Ten means一道选择题.选项为A not dressedB haveC findD animal Red means “slop” yellow means “Wait”Red means “slop” yellow means “Wait” and green means“Go”.