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计算:(217+318)−(1.375−67)=83279125÷0.353.3÷0.23÷0.91×16.1÷0.82=2014+2013×20152014×2015−1+2015+2014×20162015×2016−1+2016+2015×20172016×2017−1+2017+2016×20182017×2018−1=
题目详情
计算:
(2
+3
)−(1.375−
)=
832
÷0.3
53.3÷0.23÷0.91×16.1÷0.82=
+
+
+
=
(2
1 |
7 |
1 |
8 |
6 |
7 |
832
79 |
125 |
53.3÷0.23÷0.91×16.1÷0.82=
2014+2013×2015 |
2014×2015−1 |
2015+2014×2016 |
2015×2016−1 |
2016+2015×2017 |
2016×2017−1 |
2017+2016×2018 |
2017×2018−1 |
▼优质解答
答案和解析
(1)(2
+3
)-(1.375-
)
=(2
+3
)-(1
-
)
=2
+3
-1
+
=(2
+
)+(3
-1
)
=3+1
=4
(2)832
÷0.3
=(831+
)÷0.3
=831÷0.3+
÷0.3
=2770+
×
=2770+
=2770
(3)53.3÷0.23÷0.91×16.1÷0.82
=53.3÷0.82×(16.1÷0.23)÷0.91
=65×70÷0.91
=13×5×10×7÷0.7÷1.3
=10×5×10×10
=5000
(4)
+
+
+
=
+
+
1 |
7 |
1 |
8 |
6 |
7 |
=(2
1 |
7 |
1 |
8 |
3 |
8 |
6 |
7 |
=2
1 |
7 |
1 |
8 |
3 |
8 |
6 |
7 |
=(2
1 |
7 |
6 |
7 |
1 |
8 |
3 |
8 |
=3+1
3 |
4 |
=4
3 |
4 |
(2)832
79 |
125 |
=(831+
204 |
125 |
=831÷0.3+
204 |
125 |
=2770+
204 |
125 |
3 |
10 |
=2770+
276 |
575 |
=2770
276 |
575 |
(3)53.3÷0.23÷0.91×16.1÷0.82
=53.3÷0.82×(16.1÷0.23)÷0.91
=65×70÷0.91
=13×5×10×7÷0.7÷1.3
=10×5×10×10
=5000
(4)
2014+2013×2015 |
2014×2015−1 |
2015+2014×2016 |
2015×2016−1 |
2016+2015×2017 |
2016×2017−1 |
2017+2016×2018 |
2017×2018−1 |
=
2014+(2014−1)×2015 |
2014×2015−1 |
2015+(2015−1)×2016 |
2015×2016−1 |
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