105 x 25 - 105 + 105 x 76
= 2625 - 105 + 7980
= 2520 + 7980
= 10500
35789 - 5080 - 709 - 10000
= 30709 - 709 -10000
= 30000 - 10000
= 20000
=105x25-105x1+105x76 =35789-709-5080-10000
=105x(25-1+76) =35080-5080-10000
=105x100 =30000-10000
=10500 =20000
![•₤ą๓ ŦųуếϮ Ɣ[Ƥεї]](https://hoc24.vn/images/avt/avt2647472_256by256.jpg)
\(\text{105 x 25 - 105 + 105 x 76}\)
\(\text{= 2625 - 105 + 7980}\)
\(\text{= 2520 + 7980}\)
\(\text{= 10500}\)
\(\text{35789 - 5080 - 709 - 10000}\)
\(\text{= 30709 - 709 - 10000}\)
\(\text{= 30000 - 10000}\)
\(\text{= 20000}\)
\(a,=105\left(25-1+76\right)\\ =105\times100\\ =10500\\-----------\\ b,=\left(35789-709\right)-\left(5080+1000\right)\\ =35080-5080-1000\\ =30000-1000\\ =29000\)
