Thực hiện phép tính: a) 34,25 – 78,43; b) 65,19 + (–81,14); c) (–2,25) + 7,63; d) (–81,2) + (–17,5); e) (–2,71) – (–27,3); f) (–98,2) + 3,51.
Thực hiện phép tính: a) 34,25 – 78,43; b) 65,19 + (–81,14); c) (–2,25) + 7,63; d) (–81,2) + (–17,5); e) (–2,71) – (–27,3); f) (–98,2) + 3,51. | |