有42把洋伞
幼苗
共回答了19个问题采纳率:94.7% 举报
①840÷24+25
=35+25,
=60;
②14.4÷8÷0.125
=14.4÷(8×0.125),
=14.4÷1,
=14.4;
③26.5÷(1.65+0.85)
=26.5÷2.5,
=10.6;
④
7
8 -
5
12 +
1
6
=
11
24 +
1
6 ,
=
5
8 ;
⑤ 48×(
11
12 -
3
4 +
1
6 )
=48×
11
12 -48×
3
4 +48×
1
6 ,
=44-36+8,
=16;
⑥
1
5 ÷[1-(
1
5 +
1
7 )].
=
1
5 ÷[1-
12
35 ],
=
1
5 ÷
23
35 ,
=
7
23 .
1年前
2