21 tháng 3 2022 lúc 10:44
Các câu hỏi tương tự
8/9 + 3/18 ; 5/7 - 4/11 ; 7/9 x 3/4 ; 12/7 : 1/4
3/4 + 4/5 ; 5/7 - 3/5 ; 8/3 x 21/4 ; 7/2 : 9/4
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=?
Chọn phép tính đúng:
A 1/2×1/2=1×1 2×2=1/4
B 3/5×4/9=3×9 5×4=2720
C 5/3×3/7=3×3 5×7=935
D 7/9×3/8=7×3/ 9×8=724
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
3+3/7+4/7. 6/5+4/5+5. 7+11/9+16/9
1) Tính
a) 9/12 - 5/12 ; 9/12 - 1/3 ; 7 - 3/2 ; 9/4 - 2
b) 2/7 + 5/7 ; 1/3 + 5/12 ; 2 + 2/5 ; 6/9 + 3
c) 2/3 x 4/7 ; 3/11 x 2 ; 4 x 2/7
d) 8/21 : 4/7 ; 8/7 : 4 ; 5 : 2/3
AI LÀM NHANH VÀ ĐÚNG NHẤT THÌ MÌNH TICK CHO!!!!
14 tháng 4 2022 lúc 21:56
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 ............
Đọc tiếp
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 = ...........................................
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}
Đọc tiếp
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 + \(\dfrac{4}{7}\)
17 tháng 4 2022 lúc 20:33
Tính:
a) 4 + 5/7 = ...........................
5/9 x 6/7 = ........................
3 - 7/5 = ............................
3/5 x 4/8 = ........................
b) 2 - 1/4 = ...........................
4 : 5/9 = ...........................
2/9 x 3/5 = .......................
3/8 : 4 = ...........................
14 tháng 3 2023 lúc 20:12
2. Tính nhanh: A) 4/5 : 3/7 × 3/7 : 4/5 + 2011. B) 1/2 x 2/3 : 7/9 x 7/9.