1 . 236 . 569 + 24 .841 =
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\(\begin{array}{*{20}{c}}{a)\,\,}\\{}\\{}\end{array}\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{435}\\{352}\end{array}}\\\hline{\,\,\,787}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{236}\\{528}\end{array}}\\\hline{\,\,\,\,764}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{354}\\{\,\,\,63}\end{array}}\\\hline{\,\,\,\,417}\end{array}\)
\(\begin{array}{*{20}{c}}{b)\,\,}\\{}\\{}\end{array}\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{569}\\{426}\end{array}}\\\hline{\,\,\,\,143}\end{array}\) \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{753}\\{236}\end{array}}\\\hline{\,\,\,517}\end{array}\) \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{880}\\{\,\,54}\end{array}}\\\hline{\,\,\,826}\end{array}\)

x-(562+236) x5= 569
x-798x5=569
x-3990=569
x=4559
x-560:4= 426x9
x-140=3834
x=3974
Thấy đúng k cho tui

a) 5 69 : 5 67 – 3 40 : 3 39 = 5 2 – 3 1 = 25 – 3 = 22
b) 155 – [ 2 . ( 30 + 5 – 26 ) . ( 24 : 3 )]
= 155 – [ 2 . 9 . 8 ] = 155 – 144 = 11
c) 37 . 143 + 37 . 57 + 1300
= (37 . 143 + 37.57) + 1300
= 37.(143+ 57) + 1300
= 37. 200 + 1300
= 7400 + 1300
8700.

1+4x841+9521-58=1+3364+9521-58=3365+9521-58=12886-58=12828

Câu trả lời của mình nè:
236-24=212 (nha)
Đúng 100% không sai

\(x-67421=5678\)
\(x=5678+67421\)
\(x=73099\)
\(x-\left(562+236\right)x5=569\)
\(x-798=569:5\)
\(x-798=113,8\)
\(x=113,8+798\)
\(x=911,8\)
\(x-231x3=263\)
\(x-693=263\)
\(x=263+693\)
\(x=956\)
\(x-560:4=426x9\)
\(x-140=3834\)
\(x=3834+140\)
\(x=3974\)
154468 nha em
1261.41