题目内容
(1)2865+1495÷23
(2)5.4×(8.5-0.25)
(3)
×[﹙
﹢
﹚÷
].
(2)5.4×(8.5-0.25)
(3)
| 5 |
| 11 |
| 2 |
| 5 |
| 1 |
| 3 |
| 5 |
| 6 |
(1)2865+1495÷23,
=2865+65,
=2930;
(2)5.4×(8.5-0.25),
=5.4×8.25,
=44.55;
(3)
×[﹙
﹢
﹚÷
],
=
×[
÷
],
=
×
×
,
=
×
,
=
.
=2865+65,
=2930;
(2)5.4×(8.5-0.25),
=5.4×8.25,
=44.55;
(3)
| 5 |
| 11 |
| 2 |
| 5 |
| 1 |
| 3 |
| 5 |
| 6 |
=
| 5 |
| 11 |
| 11 |
| 15 |
| 5 |
| 6 |
=
| 5 |
| 11 |
| 11 |
| 15 |
| 6 |
| 5 |
=
| 1 |
| 3 |
| 6 |
| 5 |
=
| 2 |
| 5 |
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