
计算(能简算的要简算):3.52×4.7+5.3×3.5236×(29+
计算(能简算的要简算):3.52×4.7+5.3×3.5236×(29+712)13÷65×9102÷23-23÷2725×101-725....
计算(能简算的要简算):3.52×4.7+5.3×3.5236×(29+712)13÷65×9102÷23-23÷2725×101-725.
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(1)3.52×4.7+5.3×3.52
=3.52×(4.7+5.3)
=3.52×10
=35.2
(2)36×(
+
)
=36×
+36×
=8+21
=29
(3)
÷
×
=
×
×
=
(4)2÷
-
÷2
=3-
=2
(5)
×101-
=
×(101-1)
=
×100
=28
=3.52×(4.7+5.3)
=3.52×10
=35.2
(2)36×(
2 |
9 |
7 |
12 |
=36×
2 |
9 |
7 |
12 |
=8+21
=29
(3)
1 |
3 |
6 |
5 |
9 |
10 |
=
1 |
3 |
5 |
6 |
9 |
10 |
=
1 |
4 |
(4)2÷
2 |
3 |
2 |
3 |
=3-
1 |
3 |
=2
2 |
3 |
(5)
7 |
25 |
7 |
25 |
=
7 |
25 |
=
7 |
25 |
=28
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