式の加法・減法(分数)4(6問)
計算せよ。
(112x2+94x-203)+(92x2-118x+7)
解答○ ×(53xy-54x-72y)-(89xy+56x-3y)
解答○ ×(1112a2-72a+4)-(89a2-198a-143)
解答○ ×(3536ab+1915a+65b)+(-4948ab-4135a+95b)
解答○ ×(58x3-221x2+12x)-(34x3-314x2-43x)
解答○ ×(528x2-2110xy-1120)-(-1335x2+1115xy-715)
解答○ ×問題と解答
(112x2+94x-203)+(92x2-118x+7)10x2+78x+13 (53xy-54x-72y)-(89xy+56x-3y)79xy-2512x-12y (1112a2-72a+4)-(89a2-198a-143)136a2-98a+263 (3536ab+1915a+65b)+(-4948ab-4135a+95b)-7144ab+221a+3b (58x3-221x2+12x)-(34x3-314x2-43x)-18x3+542x2+116x (528x2-2110xy-1120)-(-1335x2+1115xy-715)1120x2-176xy-112
