(2⼀5+7⼀25x20%)x25

2025-02-23 16:52:12
推荐回答(3个)
回答1:

(2/5+7/25x20%)x25
=2/5x25+7/25x20%x25
=10+1.4
=11.4

回答2:

(2/5+7/25x20%)X25
=(2/5+7/25×1/5)×25
=(2/5+7/5)×25
=9/5×25
=45

回答3:

(2/5+7/25x20%)x25
=(50/125+7/125)x25
=57/5
=11.4