
脱式计算43÷[0.2+(3.4+
脱式计算43÷[0.2+(3.4+15)×56][1-(38?14]÷5.25(1-34×25)÷(14+38)...
脱式计算43÷[0.2+(3.4+15)×56][1-(38?14]÷5.25(1-34×25)÷(14+38)
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2个回答
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(1)
÷[0.2+(3.4+
)×
]
=
÷[0.2+3.6×
]
=
÷[0.2+3]
=
÷3.2
=
;
(2)[1-(
?
)]÷5.25
=[1-
]÷5.25
=
÷5.25
=
;
(3)(1-
×
)÷(
+
)
=(1-
)÷(
+
)
=
÷
=
.
4 |
3 |
1 |
5 |
5 |
6 |
=
4 |
3 |
5 |
6 |
=
4 |
3 |
=
4 |
3 |
=
5 |
12 |
(2)[1-(
3 |
8 |
1 |
4 |
=[1-
1 |
8 |
=
7 |
8 |
=
1 |
6 |
(3)(1-
3 |
4 |
2 |
5 |
1 |
4 |
3 |
8 |
=(1-
3 |
10 |
1 |
4 |
3 |
8 |
=
7 |
10 |
5 |
8 |
=
28 |
25 |
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