1 √2 -------- = √X+1 (X和1都在根号里,下同) √X+1 2√X*X+3=X*X+4 3√2X-1+√1-2X=34√X+1+√2X+2=1 5√5X+4-√2X-1=√3X+16√X-2-√X-5+√X-7-√X-10=07 √X 8 ------ - 2√1+ --- + 4 = 0 √X+8 X 8X*X+9/2-√2X*X-5X+3=5/2(X+1)
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我给您做了7道题，第7题实在是看不清楚，没法进行。
1 √2 -------- = √X+1 (X和1都在根号里,下同) √X+1 2√X*X+3=X*X+4 3√2X-1+√1-2X=34√X+1+√2X+2=1 5√5X+4-√2X-1=√3X+16√X-2-√X-5+√X-7-√X-10=07 √X 8 ------ - 2√1+ --- + 4 = 0 √X+8 X 8X*X+9/2-√2X*X-5X+3=5/2(X+1)
我给您做了7道题，第7题实在是看不清楚，没法进行。