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
=
=