用递等式计算.①101×33-756÷18; &...
用递等式计算.①101×33-756÷18;②2÷23-23÷2;③[1-(12+13)]×36;④2.25×4.8+77.5×0.48....
用递等式计算.①101×33-756÷18; ②2÷23-23÷2;③[1-(12+13)]×36; ④2.25×4.8+77.5×0.48.
展开
1个回答
展开全部
①101×33-756÷18,
=3333-42,
=3291;
②2÷
-
÷2,
=3-
,
=2
;
③[1-(
+
)]×36,
=[1-
]×36,
=
×36,
=6;
④2.25×4.8+77.5×0.48,
=4.8×(2.25+7.75),
=4.8×10,
=48.
=3333-42,
=3291;
②2÷
| 2 |
| 3 |
| 2 |
| 3 |
=3-
| 1 |
| 3 |
=2
| 2 |
| 3 |
③[1-(
| 1 |
| 2 |
| 1 |
| 3 |
=[1-
| 5 |
| 6 |
=
| 1 |
| 6 |
=6;
④2.25×4.8+77.5×0.48,
=4.8×(2.25+7.75),
=4.8×10,
=48.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询