Tính: a) 10,36 - 8,64 = ; b) 6,127 * 34 = ; c) 375 -269,3 =

* Hướng dẫn giải

a)

$\begin{array}{l}10,36\\ -\underset{¯}{8,64}\\ 1,72\end{array}$

b)

$\begin{array}{l}375\\ -\underset{¯}{269,3}\\ 105,7\end{array}$

c)

$\begin{array}{l}6,127\\ \times \underset{¯}{34}\\ 24508\\ \underset{¯}{18381}\\ 208,318\end{array}$

d)

$\begin{array}{l}81\cancel{,}36\left|\begin{array}{l}\underset{¯}{1200}\\ 6,78\\ \\ \end{array}\right.\\ 09360\\ 09600\\ 0000\end{array}$