用你喜欢的方法计算.43×27+57÷34 14÷(58+38×85) &...
用你喜欢的方法计算.43×27+57÷3414÷(58+38×85)3÷11÷[25+(1-1011)]....
用你喜欢的方法计算.43×27+57÷34 14÷(58+38×85) 3÷11÷[25+(1-1011)].
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(1)
×
+
÷
=
×
+
×
=
×(
+
)
=
×1
=
;
(2)
÷(
+
×
)
=
÷(
+
)
=
÷
=
;
(3)3÷11÷[
+(1-
)]
=3÷11÷[
+
]
=3÷11÷
=
÷
=
4 |
3 |
2 |
7 |
5 |
7 |
3 |
4 |
=
4 |
3 |
2 |
7 |
5 |
7 |
4 |
3 |
=
4 |
3 |
2 |
7 |
5 |
7 |
=
4 |
3 |
=
4 |
3 |
(2)
1 |
4 |
5 |
8 |
3 |
8 |
8 |
5 |
=
1 |
4 |
5 |
8 |
3 |
5 |
=
1 |
4 |
49 |
40 |
=
10 |
49 |
(3)3÷11÷[
2 |
5 |
10 |
11 |
=3÷11÷[
2 |
5 |
1 |
11 |
=3÷11÷
27 |
55 |
=
3 |
11 |
27 |
55 |
=