
脱式计算,能简算的要简算. 762-408÷4×5 35×27+57×14 1.5×[0.02÷(2.1-2.09)] 12.5
脱式计算,能简算的要简算.762-408÷4×535×27+57×141.5×[0.02÷(2.1-2.09)]12.5×8.887.58-(7.58+3.8)(29+2...
脱式计算,能简算的要简算. 762-408÷4×5 35×27+57×14 1.5×[0.02÷(2.1-2.09)] 12.5×8.8 87.58-(7.58+3.8) (29+219)×4+1119.
展开
展开全部
(1)762-408÷4×5,
=762-102×5,
=762-510,
=252;
(2)35×
+
×14,
=10+10,
=20;
(3)1.5×[0.02÷(2.1-2.09)],
=1.5×[0.02÷0.01],
=1.5×2,
=3;
(4)12.5×8.8,
=12.5×(8+0.8),
=12.5×8+12.5×0.8,
=100+10,
=110;
(5)87.58-(7.58+3.8),
=87.58-7.58-3.8,
=80-3.8,
=76.2;
(6)(
+
)×4+
,
=
×4+
×4+
,
=
+
+
,
=
+(
+
),
═
+1,
=1
.
=762-102×5,
=762-510,
=252;
(2)35×
2 |
7 |
5 |
7 |
=10+10,
=20;
(3)1.5×[0.02÷(2.1-2.09)],
=1.5×[0.02÷0.01],
=1.5×2,
=3;
(4)12.5×8.8,
=12.5×(8+0.8),
=12.5×8+12.5×0.8,
=100+10,
=110;
(5)87.58-(7.58+3.8),
=87.58-7.58-3.8,
=80-3.8,
=76.2;
(6)(
2 |
9 |
2 |
19 |
11 |
19 |
=
2 |
9 |
2 |
19 |
11 |
19 |
=
8 |
9 |
8 |
19 |
11 |
19 |
=
8 |
9 |
8 |
19 |
11 |
19 |
═
8 |
9 |
=1
8 |
9 |
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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