题目内容
| 计算,能简算的一定要简算. 65.5+65.5×99 |
|
| ||||||||||||
| 3.68-0.82-0.18 | 36×(
| 2÷
|
①65.5+65.5×99,
=65.5×100,
=6550;
②
×[1÷(
+
)],
=
×[1÷(
+
)],
=
×[1÷
],
=
×
,
=
;
③
÷
÷
,
=
×
×15,
=8;
④3.68-0.82-0.18,
=3.68-(0.82+0.18),
=3.68-1,
=2.68;
⑤36×(
+
),
=36×
+36×
,
=8+21,
=29;
⑥2÷
-
÷2,
=2×
-
×
,
=3-
,
=2
.
=65.5×100,
=6550;
②
| 5 |
| 8 |
| 3 |
| 4 |
| 1 |
| 3 |
=
| 5 |
| 8 |
| 9 |
| 12 |
| 4 |
| 12 |
=
| 5 |
| 8 |
| 13 |
| 12 |
=
| 5 |
| 8 |
| 12 |
| 13 |
=
| 15 |
| 26 |
③
| 2 |
| 5 |
| 3 |
| 4 |
| 1 |
| 15 |
=
| 2 |
| 5 |
| 4 |
| 3 |
=8;
④3.68-0.82-0.18,
=3.68-(0.82+0.18),
=3.68-1,
=2.68;
⑤36×(
| 2 |
| 9 |
| 7 |
| 12 |
=36×
| 2 |
| 9 |
| 7 |
| 12 |
=8+21,
=29;
⑥2÷
| 2 |
| 3 |
| 2 |
| 3 |
=2×
| 3 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
=3-
| 1 |
| 3 |
=2
| 2 |
| 3 |
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