Tính cho 2 câu này nhé: a) 1588+6784+56-79+487+89 × 8 b) 23763-5865+595+909 ÷9+208

`Đáp` `án`:

`a)` ${9548}$

`b)` ${18802}$ 

`Giải` `thích` `các` `bước` `giải`:

`a)` ${1588}$ + ${6784}$ + ${56}$ – ${79}$ + ${487}$ + ${89}$ * ${8}$

= ${1588}$ + ${6784}$ + ${56}$ – ${79}$ + ${487}$ + ${712}$

= ${8372}$ + ${56}$ – ${79}$ + ${487}$ + ${712}$

= ${8428}$ – ${79}$ + ${487}$ + ${712}$

= ${8349}$ + ${487}$ + ${712}$

= ${8836}$ + ${712}$

= ${9548}$

`b)`  ${23763}$ – ${5865}$ + ${595}$ + ${909}$ : ${9}$ + ${208}$ 

= ${23763}$ – ${5865}$ + ${595}$ + ${101}$  + ${208}$ 

= ${17898}$ + ${595}$ + ${101}$  + ${208}$ 

= ${18493}$ + ${101}$  + ${208}$ 

= ${18594}$  + ${208}$ 

= ${18802}$ 

`Chúc` `bạn` `học` `tốt`