2(x 2)-3(4x-1)=9(1-x)解是什么求过程QAQ打错了,是2(x+2)
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2(x 2)-3(4x-1)=9(1-x)解是什么求过程QAQ打错了,是2(x+2)
2(x 2)-3(4x-1)=9(1-x)解是什么
求过程QAQ
打错了,是2(x+2)
2(x 2)-3(4x-1)=9(1-x)解是什么求过程QAQ打错了,是2(x+2)
2(x+2)-3(4x-1)=9(1-x)
2x+4-12x+3=9-9x
7-10x=9-9x
x=-9+7
=-2
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请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
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