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+1-六年级数学
1 |
2 |
=2
21 |
34 |
11 |
14 |
5 |
7 |
5 |
28 |
=
11 |
14 |
5 |
7 |
5 |
28 |
=22-20+5+10.1
=17.1
(
1 |
30 |
1 |
35 |
1 |
63 |
1 |
7 |
=
1 |
30 |
15 |
7 |
1 |
35 |
15 |
7 |
1 |
63 |
15 |
7 |
=
2 |
7 |
3 |
49 |
5 |
147 |
=
56 |
147 |
78 |
79 |
=
78 |
79 |
=
78 |
79 |
78 |
79 |
=78
78 |
79 |
4 |
5 |
1 |
7 |
3 |
4 |
=
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