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怎样简便怎样算1936×93848×474879−413×7979×(9-111)(245+127)-(115+27)12.1-(115+121)×10523×513×2351.8×216+5.49×1310+710×9817÷4+212(1114-57+528)×28+10.1(130+135+163)
题目详情
怎样简便怎样算
| 48×
|
| ||||||||||||||||||
| (2
| 12.1-(
| ||||||||||||||||||
23×
| 1.8×2
| 9×1
| ||||||||||||||||||
| (
| (
| ||||||||||||||||||
|
| 8×125
| ||||||||||||||||||
5.5×6
| 897×
| 5
|
▼优质解答
答案和解析
×
=
48×
=47
−
×
=
×(1-
)
=
×
=
×(9-
)
=
×9-
×
=7-
=6
(2
+1
)-(1
+
)
=(2
-1
)+(1
-
)
=1
+1
=2
12.1-(
+
)×105
=12.1-(
×105+
×105)
=12.1-(7+5)
=0.1
23×
×2
=23×
×
=23
19 |
36 |
9 |
38 |
1 |
8 |
48×
47 |
48 |
7 |
9 |
4 |
13 |
7 |
9 |
=
7 |
9 |
4 |
13 |
=
7 |
9 |
9 |
13 |
=
7 |
13 |
7 |
9 |
1 |
11 |
=
7 |
9 |
7 |
9 |
1 |
11 |
=7-
7 |
99 |
=6
92 |
99 |
(2
4 |
5 |
2 |
7 |
1 |
5 |
2 |
7 |
=(2
4 |
5 |
1 |
5 |
2 |
7 |
2 |
7 |
=1
3 |
5 |
=2
3 |
5 |
12.1-(
1 |
15 |
1 |
21 |
=12.1-(
1 |
15 |
1 |
21 |
=12.1-(7+5)
=0.1
23×
5 |
13 |
3 |
5 |
=23×
5 |
13 |
13 |
5 |
=23
1.8×2
=1.8×
=3.9+5.4 =9.3 9×1
=9×(1
=9×2 =18 | ||||||||||||||
=
=
|
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