計算(-4/3a²;bc)÷(-3ab)×(-7abc)

計算(-4/3a²;bc)÷(-3ab)×(-7abc)

(-4/3a²;bc)÷(-3ab)×(-7abc)
=-(4/3a²;bc)×7abc÷(3ab)
=-(4/3a²;bc)×7c÷3
=-(4/3a²;bc)×7c×1/3
=-28a²;bc²;/9