题目内容
能简算的要简算:
|
95.6×27-17×95
|
1.21×42-(4.46+
| ||||||||||
1+45%÷0.9-
|
(1-
|
(1)
×3
+0.25×6
,
=
×(3
+6
),
=
×10,
=
;
(2)95.6×27-17×95
,
=95.6×(27-17),
=95.6×10,
=956;
(3)1.21×42-(4.46+
),
=1.21×42-4.6,
=47.04-4.6,
=42.44;
(4)1+45%÷0.9-
,
=1+0.5-0.875,
=1.5-0.875,
=0.625;
(5)(1-
×
)÷(
+
),
=(1-
)÷
,
=
×
,
=
.
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
=
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
=
| 1 |
| 4 |
=
| 5 |
| 2 |
(2)95.6×27-17×95
| 3 |
| 5 |
=95.6×(27-17),
=95.6×10,
=956;
(3)1.21×42-(4.46+
| 7 |
| 50 |
=1.21×42-4.6,
=47.04-4.6,
=42.44;
(4)1+45%÷0.9-
| 7 |
| 8 |
=1+0.5-0.875,
=1.5-0.875,
=0.625;
(5)(1-
| 3 |
| 4 |
| 2 |
| 5 |
| 1 |
| 4 |
| 3 |
| 8 |
=(1-
| 3 |
| 10 |
| 5 |
| 8 |
=
| 7 |
| 10 |
| 8 |
| 5 |
=
| 28 |
| 25 |
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