3(5a-2)-4(3a-3)求计算!
问题描述:
3(5a-2)-4(3a-3)求计算!
答
3(5a-2)-4(3a-3)
=15a-6-12a+12
=3a+6
3(5a-2)-4(3a-3)求计算!
3(5a-2)-4(3a-3)
=15a-6-12a+12
=3a+6