Tính nhanh: a, 10000 - 47 x 74 - 47 x 26 b, 3457 - 27 x 48 - 48 x 73 + 6543

Cái chết của cô bé bán diêm và kết thúc truyên gợi cho em điều gi?

chia đa thức một biến đã đc sắp xếp c,(4x^3-3x^2+1) : (x^2+2x-1)

Task 2. Write the negative (-) and interrogative form (?) of the following sentences. 1. He loves to play basketball. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 2. He thinks he is very handsome. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 3. We generally sing songs all together. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 4. It rains here in the summer. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 5. I study German on Monday. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 6. My daughter does the laundry. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 7. We see them every week. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 8. Jared sleeps in the afternoon. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 9. Karen and George brush their teeth twice a day. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ 10. That house is on the other side of the street. ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________

Tính nhanh: a, 8 x 427 x 3 + 6 x 573 x 4 b, 6 x 1235 x 20 - 5 x 235 x 24 c, (145 x 99 +145) - 143 x 101 - 143 d, 54 x 47 - 47 x 53 - 20 - 27

Tính nhanh: a, 4 x 125 x 25 x 8 b, 2 x 8 x 50 x 25 x 125 c, 2 x 3 x 4 x 5 x 50 x 25 d, 25 x 20 x 125 x 8 - 8 x 20 x 5 x 125

Nhau thai có chức năng gì trong thời gian mang thai?

Vẽ hình và làm cho mik bài này vs ai lf đúng mik cho ctlhn

Cho hình chóp từ giác đều $S.ABCD$ có đáy là hình vuông tâm $O$, kẻ $OH$ vuông góc với $AB (H \in AB)$, $OK$ vuông góc với $SH$. Chứng minh $OK$ vuông góc với mặt phẳng $(SAB)$

1 đoạn dây dài 15 m. Muốn cắt lấy đoạn 5 m mà không cần thước đo thì làm như thế nào để cắt đúng