根据四则混合计算顺序可知:7*9+12÷(3-2)=75;故答案为:7*9+12÷(3-2)=75.

7*[(9+12)/3-2]=35

(7*9+12)÷3-2=23祝楼主新年快乐!【数学达人秀】团队很荣幸为楼主解答,如满意,请采纳,谢谢.

(7x9+12)÷3-2=23