题目内容
先在□里填上合适的数(零除外),尽量使计算简便,并计算.
×4.4+5.6×□
1376-529-□
| 3 |
| 5 |
1376-529-□
(1)
×4.4+5.6×
,
=
×(4.4+5.6),
=
×10,
=6;
(2)1376-529-471,
=1376-(529+471),
=1376-1000,
=376.
| 3 |
| 5 |
| 3 |
| 5 |
=
| 3 |
| 5 |
=
| 3 |
| 5 |
=6;
(2)1376-529-471,
=1376-(529+471),
=1376-1000,
=376.
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