式と数の乗法除法(整数)2(6問)
計算せよ。
6(2x+3y-5)
解答○ ×-15(4x2-x-8)
解答○ ×(5a-4b+16)×7
解答○ ×(-2ab+3a-9b)×(-5)
解答○ ×(-14x2-28xy+35y2)÷7
解答○ ×(-30ab+72a-12b)÷(-6)
解答○ ×問題と解答
6(2x+3y-5)12x+18y-30 -15(4x2-x-8)-60x2+15x+120 (5a-4b+16)×735a-28b+112 (-2ab+3a-9b)×(-5)10ab-15a+45b (-14x2-28xy+35y2)÷7-2x2-4xy+5y2 (-30ab+72a-12b)÷(-6)5ab-12a+2b
