25 : 5 bang 5 nha bn! nho k cho minh nhe!

TL;

25 : 5 = 5

HT

1098 nha

1098 nha bạn

đề kiểu gì? Yêu cầu gì?

mình ko hiểu ???

Take it easy, friend.

Ingredients:
- 180 g beef steak
- 100g butter
- 1 clove garlic, crushed
- 1 tsp choppep pasley
- 1/2 tsp lemon juice
- Salt and pepper to taste

Method:

- Trim the steak nicely, season with salt and pepper.
- Heat 20 g butter in a pan until hot. add steak and fry until brown, about 2 minutes. Turn it over and fry for another 2 minutes.
- Mix 80 g butter with remaining ingredient, roll up tightly and refregerate until hard. Cut the butter into slices(about 20 g /each) and top over the hot steak. One slice for one steak. Serve hot with french fries.

1 - 4 + 7 - ... + 331 - 334 ( có 112 số )

= ( 1 - 4 ) + ( 7 - 10 ) + .... + ( 331 - 334 ) ( có 56 nhóm )

= ( - 3 ) + ( - 3 ) + ..... + ( - 3 ) ( có 56 số )

= ( - 3 ) . 56

= -168

\(1-4+7-10+......+331-334\)( có 112 số hạng )

\(=\left(1-4\right)+\left(7-10\right)+........+\left(331-334\right)\)( có 56 nhóm )

\(=-3+\left(-3\right)+.........+\left(-3\right)\)( có 56 số - 3 )

\(=-3\cdot56\)

\(=-168\)

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