算式:(12a³b²c³-6a²b+3ab)÷(-3ab)等于多少

问题描述:

算式:(12a³b²c³-6a²b+3ab)÷(-3ab)等于多少
好急的,,,

(12a³b²c³-6a²b+3ab)÷(-3ab)
=12a³b²c³÷(-3ab)-6a²b÷(-3ab)+3ab÷(-3ab)
=-4a²bc³+2a-1