题目内容
计算下面各题,能简算的要简算
14×75-624÷39
(7.6-3.6÷2)×1.5
-(
-
)
4.68×78+4.68×22.
14×75-624÷39
(7.6-3.6÷2)×1.5
| 4 |
| 5 |
| 4 |
| 5 |
| 1 |
| 2 |
4.68×78+4.68×22.
(1)14×75-624÷39,
=1050-16,
=1034;
(2)(7.6-3.6÷2)×1.5,
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;
(3)
-(
-
),
=
-
+
,
=0+
,
=
;
(4)4.68×78+4.68×22,
=4.68×(78+22),
=4.68×100,
=468.
=1050-16,
=1034;
(2)(7.6-3.6÷2)×1.5,
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;
(3)
| 4 |
| 5 |
| 4 |
| 5 |
| 1 |
| 2 |
=
| 4 |
| 5 |
| 4 |
| 5 |
| 1 |
| 2 |
=0+
| 1 |
| 2 |
=
| 1 |
| 2 |
(4)4.68×78+4.68×22,
=4.68×(78+22),
=4.68×100,
=468.
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