420/35的简便运算
问题描述:
420/35的简便运算
答
=420/(7x5)
=420/7/5
=60/5
=12
o(︶︿︶)o
420/35的简便运算
=420/(7x5)
=420/7/5
=60/5
=12
o(︶︿︶)o