3 - 7/9 - 5/6 = 3/1 - 7/9 - 5/6 = 75/54 nha bạn
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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=?
1+1+2+3+4+5+5+6+7+8+9+9+9+7+5+5+6+9+9+9+9
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
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
Tính nhanh :
1/10 + 2/9 +3/8 + 4/7 + 5/6 + 1/6 + 3/7 + 5/8 + 7/9 + 9/10
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 = ...........................................
Tìm x
x - 4/5 = 3/7
x + 3/7 = 4/5
19/20 - x = 8/5 - 3/4
4/5 x X = 6/9 - 4/7
x : 7/9 = 6/8
2/3 - x/6 = 6/18
Tìm x
x - 4/5 = 3/7
x + 3/7 = 4/5
19/20 - x = 8/5 - 3/4
4/5 x X = 6/9 - 4/7
x : 7/9 = 6/8
2/3 - x/6 = 6/18
23 tháng 3 2022 lúc 19:56
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 =