2次方程式L1-1-3(6問)
2次方程式を解け
81x2-4=0
解答○ ×49x2-16=0
解答○ ×25x2-9=0
解答○ ×18x2-98=0
解答○ ×12x2-75=0
解答○ ×64x2-36=0
解答○ ×問題と解答
81x2-4=029,-29 49x2-16=047,-47 25x2-9=035,-35 18x2-98=073,-73 12x2-75=052,-52 64x2-36=034,-34
81x2-4=029,-29 49x2-16=047,-47 25x2-9=035,-35 18x2-98=073,-73 12x2-75=052,-52 64x2-36=034,-34
