
脱式计算(能简算的要简算)5.07-(3.07-1.8); 58.6×7.2+245×5835; (12+...
脱式计算(能简算的要简算)5.07-(3.07-1.8);58.6×7.2+245×5835;(12+16+18)×0.24;416-1.65-1.35....
脱式计算(能简算的要简算)5.07-(3.07-1.8); 58.6×7.2+245×5835; (12+16+18)×0.24; 416-1.65-1.35.
展开
1个回答
展开全部
(1)5.07-(3.07-1.8)
=5.07-3.07+1.8
=2+1.8
=3.8
(2)58.6×7.2+2
×58
=58.6×7.2+2.8×58.6
=58.6×(7.2+2.8)
=58.6×10
=586
(3)(
+
+
)×0.24
=
×0.24+
×0.24+
×0.24
=0.12+0.04+0.03
=0.19
(4)4
-1.65-1.35
=4
-(1.65+1.35)
=4
-3
=1
=5.07-3.07+1.8
=2+1.8
=3.8
(2)58.6×7.2+2
4 |
5 |
3 |
5 |
=58.6×7.2+2.8×58.6
=58.6×(7.2+2.8)
=58.6×10
=586
(3)(
1 |
2 |
1 |
6 |
1 |
8 |
=
1 |
2 |
1 |
6 |
1 |
8 |
=0.12+0.04+0.03
=0.19
(4)4
1 |
6 |
=4
1 |
6 |
=4
1 |
6 |
=1
1 |
6 |
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