题目内容
[
×(
-0.25)+
]÷
3.5×0.782÷(2.2-1.97)
(0.25+0.7)÷0.25×250%
1001-9036÷18.
| 4 |
| 7 |
| 3 |
| 5 |
| 3 |
| 10 |
| 1 |
| 2 |
3.5×0.782÷(2.2-1.97)
(0.25+0.7)÷0.25×250%
1001-9036÷18.
(1)[
×(
-0.25)+
]÷
,
=[
×
+
]÷
,
=[
+
]÷
,
=
÷
,
=1;
(2)3.5×0.782÷(2.2-1.97),
=3.5×0.782÷0.23,
=2.737÷0.23,
=11.9;
(3)(0.25+0.7)÷0.25×250%,
=0.95÷0.25×250%,
=3.8×2.5,
=9.5;
(4)1001-9036÷18,
=1001-502,
=499.
| 4 |
| 7 |
| 3 |
| 5 |
| 3 |
| 10 |
| 1 |
| 2 |
=[
| 4 |
| 7 |
| 7 |
| 20 |
| 3 |
| 10 |
| 1 |
| 2 |
=[
| 2 |
| 10 |
| 3 |
| 10 |
| 1 |
| 2 |
=
| 1 |
| 2 |
| 1 |
| 2 |
=1;
(2)3.5×0.782÷(2.2-1.97),
=3.5×0.782÷0.23,
=2.737÷0.23,
=11.9;
(3)(0.25+0.7)÷0.25×250%,
=0.95÷0.25×250%,
=3.8×2.5,
=9.5;
(4)1001-9036÷18,
=1001-502,
=499.
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