题目内容
递等式运算:
375+450÷18×25
(
+
)÷
+
.
375+450÷18×25
(
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| 1 |
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(1)375+450÷18×25,
=375+25×25,
=375+625,
=1000;
(2)(
+
)÷
+
,
=
×
+
,
=
+
,
=
.
=375+25×25,
=375+625,
=1000;
(2)(
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| 1 |
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=
| 21 |
| 20 |
| 3 |
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| 7 |
| 10 |
=
| 9 |
| 20 |
| 7 |
| 10 |
=
| 23 |
| 20 |
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