题目内容
计算下面各题,能简算的就简算.
| 4.67-(2.98+0.67) | 1.25×0.4×0.25×8 | 2013×
| ||||||||
| 14.35÷3.5÷2 |
| (
|
(1)4.67-(2.98+0.67)
=4.67-2.98-0.67
=4.67-0.67-2.98
=4-2.98
=1.02;
(2)1.25×0.4×0.25×8
=(1.25×8)×(0.4×0.25)
=10×0.1
=1;
(3)2013×
=(2012+1)×
=2012×
+1×
=2011+
=2011
;
(4)14.35÷3.5÷2
=14.35÷(3.5×2)
=14.35÷7
=2.05;
(5)
×24+76×
=
×(24+76)
=
×100
=40;
(6)(
+
)×24
=
×24+
×24
=14+9
=23.
=4.67-2.98-0.67
=4.67-0.67-2.98
=4-2.98
=1.02;
(2)1.25×0.4×0.25×8
=(1.25×8)×(0.4×0.25)
=10×0.1
=1;
(3)2013×
| 2011 |
| 2012 |
=(2012+1)×
| 2011 |
| 2012 |
=2012×
| 2011 |
| 2012 |
| 2011 |
| 2012 |
=2011+
| 2011 |
| 2012 |
=2011
| 2011 |
| 2012 |
(4)14.35÷3.5÷2
=14.35÷(3.5×2)
=14.35÷7
=2.05;
(5)
| 2 |
| 5 |
| 2 |
| 5 |
=
| 2 |
| 5 |
=
| 2 |
| 5 |
=40;
(6)(
| 7 |
| 12 |
| 3 |
| 8 |
=
| 7 |
| 12 |
| 3 |
| 8 |
=14+9
=23.
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