0.25+(-1⼀8)-3⼀4-(-7⼀8)

2025-05-15 11:55:13
推荐回答(3个)
回答(1):

=0.25-1/8-3/4+7/8
=7/8-1/8-3/4+0.25
=3/4-3/4+0.25
=0.25

回答(2):

回答(3):