西师版三年级上册四则混合运算练习题
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2021年01月24日 06:49
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非常有哲理的话-1000年
四则混合运算练习题
81
÷（
400-391
）
90-90
÷
6
=
=
=
=
82
×（
42
÷
7
）
5
×（
42+7
）
=
=
43+30
×
5
=
=
91
÷（
314-307
）
=
=
78
÷
6
×
9
=
=
24+16
×
3
=
=
90-80
÷
2
=
=
=
=
83-63
÷
3
=
=
302+78
×
5
=
=
302
×
2+512
=
=
（
24+16
）×
3
=
=
（
90-90
）÷
9
=
=
46+32
×
8
（
48+47
）×
8
=
=
=
=
（
28+15
）×
5
63
÷
9
×
28
=
=
=
472-260+18
=
=
25
×
3
÷
5
=
=
180-17
×
5
=
=
475-259+72
=
=
351
×
3 -95
=
=
=
200-17
×
7
=
=
80+20
÷
5
=
=
271-29
×
8
=
=
327+128-279
=
=
975-431
×
2
=
=