式と数の乗法除法(小数)1(6問)
計算せよ。
5(0.2x-1.4)
解答○ ×-8(0.5a-3.5b-0.1)
解答○ ×(4x-5y)×(-0.5)
解答○ ×(0.8a+2b-16c)×(-1.5)
解答○ ×(4.5x2-8.1x)÷0.9
解答○ ×(0.36a2+1.8a-1.44b)÷(-0.4)
解答○ ×問題と解答
5(0.2x-1.4)x-7 -8(0.5a-3.5b-0.1)-4a+28b+0.8 (4x-5y)×(-0.5)-2x+2.5y (0.8a+2b-16c)×(-1.5)-1.2a-3b+24c (4.5x2-8.1x)÷0.95x2-9x (0.36a2+1.8a-1.44b)÷(-0.4)-0.9a2-4.5a+3.6b
