Đặt tính rồi tính
709 504 + 80 999 100000 – 89 092
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62975 – 24138 = 38837
39700 – 9216 = 30484
100000 – 9898 = 90102
\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{548}\\{312}\end{array}}\\\hline{\,\,\,\,860}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{592}\\{234}\end{array}}\\\hline{\,\,\,826}\end{array}\)
\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{690}\\{\,\,\,89}\end{array}}\\\hline{\,\,\,779}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{427}\\{125}\end{array}}\\\hline{\,\,\,552}\end{array}\)
\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{35}\\{\,\,\,6}\end{array}}\\\hline{\,\,\,\,41}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{47}\\{\,\,8}\end{array}}\\\hline{\,\,\,55}\end{array}\)
\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{89}\\{\,\,2}\end{array}}\\\hline{\,\,\,91}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{63}\\{\,\,9}\end{array}}\\\hline{\,\,\,72}\end{array}\)
52 : 0,25 = 208
89 : 35,6 = 2,5
66 : 0,55 = 120
45 : 0,36 = 125
89 |
|
53,286 |
- 4,375 |
|
+ 63,24 |
84,625 |
|
116,526 |
89- 4,375 = 84,625 53,286 + 63,24 = 116,526
1,085 |
|
225,48 |
1200 |
x 5,56 |
|
105,48 |
18,79 |
6510 |
|
09 480 |
|
5425 |
|
1 0800 |
|
5425 |
|
000 |
|
6,03260 |
|
|
1.085 x 5,56 = 6,03260 225,48 : 1200 = 18,79
a) 790503 b) 10908