题目

答案：【答案】－22【解析】利用乘法分配律进行计算即可得解．(−+)×(−36)，=×(−36)− ×(−36)+ ×(−36)，=-27+8−3，=8−30，=-22.故答案为：-22.--- ____ you _____ of the pop singer called Justin Bieber?--- Yes, I have. His voice sounds_____.A. Did; hear; beautifully B. Have; heard; beautifullyC. Did; heard; beautiful D. Have; heard; beautiful