4⼀667+1.7+3⼀7+1.3用简便计算怎么算?

2025-06-21 14:23:06
推荐回答(1个)
回答1:

=4/667+1.7+3/7+1.3
= 4/667+3/7+3
=(28+3x667)/(667x7)+3

=2029/4669 +3
=3又2029/4669