有理数混合运算100题有答案Word格式.doc
《有理数混合运算100题有答案Word格式.doc》由会员分享,可在线阅读,更多相关《有理数混合运算100题有答案Word格式.doc(13页珍藏版)》请在冰豆网上搜索。
19.
20.
21.
22.
23.(-)×
(-15×
4)
24.(-2.4)
25.2÷
(-)×
÷
(-5)
26.[15-(1÷
1+3)]÷
(-1)
27.×
(-5)÷
5
28.-(-+-)÷
(-)
29.-13×
-0.34×
+×
(-13)-×
0.34
30.(-13)×
(-134)×
×
31.(-4)-(-5)+(-4)-3
32.(-16-50+3)÷
(-2)
33.(-0.5)-(-3)+6.75-5
34.178-87.21+43+53-12.79
35.(-6)×
(-4)+(-32)÷
(-8)-3
36.--(-)+|-1|
37.(-9)×
(-4)+(-60)÷
12
38.[(-)-1+]÷
(-)
39.-|-3|÷
10-(-15)×
40.-1×
(-)÷
2
41.(2-3+1)÷
(-1)×
(-7)
42.+
43.×
44.×
-
45、++
46.-×
-
47.0-÷
3×
48.×
49.-×
-÷
50.×
(-+1)×
0
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62、
63、
64、
65、
65、
66、
67、
68、
69、
70、
72、
73、
74、7×
1÷
(-9+19)
75、25×
―(―25)×
+25×
(-)
76、
76、÷
77、-22-〔-32+(-2)4÷
23〕
78、
80、
81.
82.
83.
84.
85.
86.(–1.76)+(–19.15)+(–8.24)
87.23+(–17)+(+7)+(–13)
88.(+3)+(–2)+5+(–8)
89.++(–)
90.3–(+5)–(–1)+(–5)
91.–99+100–97+98–95+96–……+2
92.–1–2–3–4–……–100
93.(–4)×
(–9)+(–)×
94.(–6)×
0-(–2)×
95、100×
(0.7––+0.03)
96.(–11)×
+(–11)×
9
97.[÷
(––)+2]÷
(–1)
98.(–18)÷
(–9)+(–63)÷
(-7)
99.0÷
(–105)+1÷
(–9)
100.(–5)×
8×
(–7)+(–6)×
(–5)×
(–7)-(–12)×
2.45×
0×
9×
100
有理数混合运算100题参考答案
1.=-182.=-
3.=04.=-23
5.=46.=3
7.=-88.=-45
9.=-2810.=1
11.12.
=8+25-1=-48+8-80
=31=-120
13.=-14.=-1
15.=916.=
17.18.
=-1+==81×
=1
19.=-25-[-4-]=-20
20.=(-5-7+12)×
(-3)=0
21.22.
=-10-80=-90=9--9=-
23.(-)×
4)24.(-2.4)=
=10+9-48+35=6
25.2÷
(-5)=
(-1)=[15-×
-3]×
(-)
=[12-×
]×
(-)=-×
=-=-9
27.×
5=25
(-)=(-+-)×
42=14-2+9-12=9
29.-13×
0.34
=[-13×
(-13)]-0.34×
-×
0.34=-13-0.34=-13.34
30.(-13)×
(-)=-2
31.(-4)-(-5)+(-4)-3=-8+1=-6
32.(-16-50+3)÷
(-2)33.(-0.5)-(-3)+6.75-5
=8+25-1=31=(-0.5)-5+6.75-(-3.25)=4
34.178-87.21+43+53-12.7935.(-6)×
=178-87.21-12.79+43+53=24+4-3
=178-100+97=25
=175
36.--(-)+|-1|=137.(-9)×
12=36-6=31
37.38.[(-)-1+]÷
(-)39.-|-3|÷
=[--+]×
(-42)=-+5
=27+72-16=83=4
40.-1×
241.(2-3+1)÷
=-×
=(-+)×
==(-+)×
6=14-21+=4
42.+43.×
44.×
=-68===4096=×
=-6×
9=-54
45.++=246.-×
-=-4-27+1=-30
=2448.×
=4×
=1
50.×
0=0
=-1+32=31
51.052.2553.-1254.-3
55.-656.
57.-58.-25
59.=-1860.=-0.2
61.=062、=-
63、=-64、=3
65、=-2466、=
67、=68