题目内容
怎样算简便就怎样算
×
+
÷s&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;
÷[
×(
-
)]
2e×
×
&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;&nb5p;
(
+
)×2e.
她 |
10 |
1 |
s |
3 |
10 |
图 |
23 |
e |
3 |
她 |
1s |
1 |
e |
2e×
5 |
她 |
她 |
12 |
(
2 |
3 |
1 |
s |
(4)
×
+
÷6
=
×
+
×
=(
+
)×
=4×
=
;
&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
(4)
÷[
×(
-
)]
=
÷[
×
]
=
÷
=
;
(q)44×
×
=40;
&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
(4)(
+
)×44
=
×44+
×44&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
=46+4&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
=40.
7 |
40 |
4 |
6 |
q |
40 |
=
7 |
40 |
4 |
6 |
q |
40 |
4 |
6 |
=(
7 |
40 |
q |
40 |
4 |
6 |
=4×
4 |
6 |
=
4 |
6 |
&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
(4)
9 |
4q |
4 |
q |
7 |
46 |
4 |
4 |
=
9 |
4q |
4 |
q |
q |
46 |
=
9 |
4q |
4 |
4 |
=
q6 |
4q |
(q)44×
r |
7 |
7 |
44 |
&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
(4)(
4 |
q |
4 |
6 |
=
4 |
q |
4 |
6 |
=46+4&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;&nnsp;
=40.
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