式の値L2-2-3(6問)
a=-6,b=-3のとき、次の式の値を求めよ。
56a+49b+23+4(524a+76b+16)
解答○ ×27a-65b+310-9(-421a+23b+110)
解答○ ×14(23a-14b-17)+15(29a-45b+12)
解答○ ×16(35a-27b+12)-18(-310a+514b+13)
解答○ ×-9(112a2+527ab-49b2)+8(56a2+14ab+23b2)
解答○ ×12(1120a2+37b2+116a)-9(115a2-221b2+14a)
解答○ ×問題と解答
56a+49b+23+4(524a+76b+16)-24 27a-65b+310-9(-421a+23b+110)9 14(23a-14b-17)+15(29a-45b+12)-24 16(35a-27b+12)-18(-310a+514b+13)-55 -9(112a2+527ab-49b2)+8(56a2+14ab+23b2)303 12(1120a2+37b2+116a)-9(115a2-221b2+14a)279
