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计算:360÷15-2.5×1.6 38×[89÷(56-...
计算:360÷15-2.5×1.638×[89÷(56-34)]512×113-14÷13....
计算:360÷15-2.5×1.6 38×[89÷(56-34)]512×113-14÷13.
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360÷15-2.5×1.6
=24-4
=20;
×[
÷(
-
)]
=
×[
÷
]
=
×[
×12]
=
×
=4;
×
-
÷13
=(
-
)×
=
×
=
.
=24-4
=20;
3 |
8 |
8 |
9 |
5 |
6 |
3 |
4 |
=
3 |
8 |
8 |
9 |
1 |
12 |
=
3 |
8 |
8 |
9 |
=
3 |
8 |
32 |
3 |
=4;
5 |
12 |
1 |
13 |
1 |
4 |
=(
5 |
12 |
1 |
4 |
1 |
13 |
=
1 |
6 |
1 |
13 |
=
1 |
78 |
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