脱式计算,能简算的要简算. 36×(23+16-34) 18÷[34×(35?215)] 18×58+42÷8 ;1113÷[(
脱式计算,能简算的要简算.36×(23+16-34)18÷[34×(35?215)]18×58+42÷8;1113÷[(58+34)÷58]....
脱式计算,能简算的要简算. 36×(23+16-34) 18÷[34×(35?215)] 18×58+42÷8 ;1113÷[(58+34)÷58].
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(1)36×(
+
-
),
=36×
+36×
-36×
,
=24+6-27,
=3;
(2)
÷[
×(
?
)],
=
÷[
×
],
=
÷
,
=
;
(3)
×58+42÷8,
=7.25+5.25,
=12.5;
(4)
÷[(
+
)÷
],
=
÷[
÷
],
=
÷
,
=
.
2 |
3 |
1 |
6 |
3 |
4 |
=36×
2 |
3 |
1 |
6 |
3 |
4 |
=24+6-27,
=3;
(2)
1 |
8 |
3 |
4 |
3 |
5 |
2 |
15 |
=
1 |
8 |
3 |
4 |
7 |
15 |
=
1 |
8 |
7 |
20 |
=
5 |
14 |
(3)
1 |
8 |
=7.25+5.25,
=12.5;
(4)
11 |
13 |
5 |
8 |
3 |
4 |
5 |
8 |
=
11 |
13 |
11 |
8 |
5 |
8 |
=
11 |
13 |
11 |
5 |
=
5 |
13 |
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