4 + 6 = 10
3 + 7 = 10
3 + 9 = 12
5 + 2 = 7
4 + 6 = 10
3 + 7 = 10
3 + 9 = 12
5 + 2 = 7
bạn ơi đây không phải toán lớp 4 đâu ,ta tính 4+6 thì bằng 10 3+7 thì bằng 10 9+3 bằng 12 5+2 bằng 7
4 + 6 = 10
3 + 7 = 10
3 + 9 = 12
5 + 2 = 7
4 + 6 = 10
3 + 7 = 10
3 + 9 = 12
5 + 2 = 7
bạn ơi đây không phải toán lớp 4 đâu ,ta tính 4+6 thì bằng 10 3+7 thì bằng 10 9+3 bằng 12 5+2 bằng 7
1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9=?
Tính 9/5 + 3/4 4/7 x 3/8 6/7 x 2/3 - 2/7 3/5 - 2/9 5/9 ÷ 5/6 4/5 ÷2/5 x 1/4
Nhanh giúp mik nhá
1+1+1+2+2+2+3+3+3+4+4+4+5+5+5+6+6+6+7+7+7+8+8+8+9+9+9+.......+n
Tìm n
\(\dfrac{3}{7}\) + 4 = ?
\(\dfrac{5}{9}\) x 3 = ?
\(\dfrac{7}{8}\) - \(\dfrac{2}{9}\)= ?
5 - \(\dfrac{3}{4}\)= ?
\(\dfrac{5}{7}\) : 6 = ?
\(\dfrac{5}{6}\) x \(\dfrac{2}{7}\)= ?
3 + \(\dfrac{3}{4}\)= ?
\(\dfrac{3}{5}x\dfrac{4}{8}\) = ?
5 : \(\dfrac{3}{8}\)= ?
Mong mn trả lời
bài 1
4/7+4
3+6/11
3-5/7
21/9-2
15/24+2
63/45-20/25
3/4-2/8
6/7-5/8
37/45-5/9
46/39-11/13
5/12+3/4+1/3
1/2+3/7+11/14
7/10-(1/5+1/4)
15/4-2/3-3/4
a,\(\dfrac{4}{9}\) : \(\dfrac{3}{10}\)
b,\(\dfrac{3}{7}\) x \(\dfrac{5}{7}\)
c,\(\dfrac{4}{9}\) : \(\dfrac{3}{2}\)
D \(\dfrac{3}{9}\) + \(\dfrac{5}{6}\) x \(\dfrac{2}{3}\)
E \(\dfrac{2}{7}\) x \(\dfrac{4}{3}\) + \(\dfrac{2}{6}\)
G \(\dfrac{4}{7}\) : 2 + \(\dfrac{4}{7}\)
Tính:
3/7 + 4 = .............................................
5/9 x 3 = .............................................
7/8 - 2/9 = ..........................................
5 - 3/4 = .............................................
5/7 : 6 = .............................................
5/6 x 2/7 = .........................................
3 + 3/4 = ...........................................
3/5 x 4/8 = ........................................
5 : 3/8 = ............................................
3 x 5/9 = ...........................................
1+1+1+1+1+2+3+4+5+6+7+8+9+10 x 1+1+1+1+1+2+3+4+5+6+7+8+9+10 +1+1+1+1+1+2+3+4+5+6+7+8+9+10 - 10 x 9 - 9 + 45 +46 +47 =
a) 60 × (7/12 + 4/15) =
b) 5/6 ×( 6/5 - 6/7 ) =
c) 1/2 × 2/3 × 3/4 × 4/5 × 5/6× 6/7 × 7/8 × 8/9 =
1+9+3+7+5+8+4+6+2+1+2+3+4+5+7+8+6+9=maays