Question

[Nguyễn Thu Hương]

a) 4.52-32:24

b) 5871:\(\orbr{\begin{cases}\\\end{cases}}928-\left(247-82.5\right)\)

c) 777:7+1331:113

Answer 1

[Nguyễn Thị Thương Hoài]

a; 4.52 - 32 : 24

= 208 - \(\dfrac{4}{3}\)

= \(\dfrac{624}{3}\) - \(\dfrac{4}{3}\)

= \(\dfrac{620}{3}\)

c; 777 : 7 + 1331 : 113

= 111 + \(\dfrac{1331}{113}\)

= \(\dfrac{12543}{113}\) + \(\dfrac{1331}{113}\)

= \(\dfrac{13874}{113}\)