Các câu hỏi tương tự
8 tháng 5 2022 lúc 7:45
1+1+1+1+2+2+2+3+3+3+3+4+4+4+4+5+5+5+5+6+6+6+6+7+7+7+7+8+8+8+8+9+9+9+9+10=
1+2+3+4+5+6++7+8+9+9+8+7+6+5+4+3+2+1+1+2+3+4+5++6+7+8+9=?
Sap xep cac phan so sau theo thu tu tu lon den be
8/9; 4/5; 9/8; 3/4; 10/9; 12/12; 7/8; 1/6; 1/4; 3/2; 1/5; 8/7; 6/5; 5/6; 4/3; 6/7; 2/3; 2/15; 1/2;5/4
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 +1028 giúp mk nha
1+2+3+4+5+6+7+8+9+9+9+9+9+8+7+6+5+4+1+23+3=?
ĐỀ THI VIOLYMPIC TOÁN VÒNG 10 - LỚP 1 (26-12-2013) 5-5+1 = 8-3-4 ; 8+1=9 ; 2+7-7 = 8-3-3 ; 5+4-1 = 6+3-1 ; 6+1 = 9-3+1 ; 6-1-2 = 8-3- 3 ; 1+2+3 = 5+4-3 ; 9+1 = 5+5 ; 6-2 = 1+3 ; 9-4 = 3+2 . 16-5-1 < 9-8 < 10-4-4 < 1+2 < 6+4-5 < 3+4-1 < 6+1 < 2+7-1 < 6+3 < 5+3+2. 4 = = 5 > 2
Xem chi tiết
8/9÷3/7=
8/9+2/5=
7/8-1/3=
3/10×1/6=
b.hỗn số
1 2/7+6 5/6=
5 3/4-1/5 =
6 2/9÷4 7/10=
5/3+3/2-7/6=
Tính
a) 4/3*7 + 4/7*11 + 4/11*15 + 4/15*19 + 4/19*23 + 4/23*27
b) 1/2*3 + 1/3*4 + 1/4*5 + 1/5*6 +1/6*7
c) 2/3*5 + 2/5*7 + 2/7*9 + 2/9*11 + 2/11*13 + 2/1*2 + 2/2*3 + 2/3*4 + 2/8*9 + 2/9*10
Caculate : A=1*2*3+2*4*6+3*6*9/2*3*12+4*6*24+6*9*36