题目内容
直接写计算结果
12.5×
×0.56=
9
-3
+2
-8
=
2
-(
-
)=
7800×8÷36×108÷26=
+
+
+
=
1
+2
+3
=
12.5×
1 |
7 |
9
5 |
7 |
4 |
9 |
4 |
9 |
3 |
7 |
2
5 |
7 |
3 |
5 |
2 |
7 |
7800×8÷36×108÷26=
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1
1 |
9 |
1 |
90 |
1 |
900 |
(1)12.5×
×0.56=1;
(2)9
-3
+2
-8
,
=(9
-8
)-(3
-2
),
=1
-1,
=
;
(3)2
-(
-
),
=2
-
+
,
=27+
-
,
=3-
,
=2
;
(4)7800×8÷36×108÷26,
=7800×8×
×108×
,
=7200;
(5)
+
+
+
,
=
-
+
-
+
-
+
-
,
=
-
,
=
;
(6)1
+2
+3
,
=(1+2+3)+(
+
+
),
=6+
,
=6
.
1 |
7 |
(2)9
5 |
7 |
4 |
9 |
4 |
9 |
3 |
7 |
=(9
5 |
7 |
3 |
7 |
4 |
9 |
4 |
9 |
=1
2 |
7 |
=
2 |
7 |
(3)2
5 |
7 |
3 |
5 |
2 |
7 |
=2
5 |
7 |
3 |
5 |
2 |
7 |
=27+
2 |
7 |
3 |
5 |
=3-
3 |
5 |
=2
2 |
5 |
(4)7800×8÷36×108÷26,
=7800×8×
1 |
36 |
1 |
26 |
=7200;
(5)
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
=
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
5 |
1 |
6 |
=
1 |
2 |
1 |
6 |
=
1 |
3 |
(6)1
1 |
9 |
1 |
90 |
1 |
900 |
=(1+2+3)+(
1 |
9 |
1 |
90 |
1 |
900 |
=6+
37 |
300 |
=6
37 |
300 |
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