(78一6)x5÷3怎样算简便
问题描述:
(78一6)x5÷3怎样算简便
答
(78一6)x5÷3
=72x5÷3
=72÷3x5
=24x5
=120
(78一6)x5÷3怎样算简便
(78一6)x5÷3
=72x5÷3
=72÷3x5
=24x5
=120