Trả lời :
\(\frac{3}{8}-\frac{2}{9}=\frac{11}{72}\)
# Hok tốt !
3/8-2/9=27/72-16/72=11/72
\(\frac{3}{8}-\frac{2}{9}=\frac{27}{72}-\frac{16}{72}=\frac{11}{72}\)
Học tốt;-;'
Trả lời :
\(\frac{3}{8}-\frac{2}{9}=\frac{11}{72}\)
# Hok tốt !
3/8-2/9=27/72-16/72=11/72
\(\frac{3}{8}-\frac{2}{9}=\frac{27}{72}-\frac{16}{72}=\frac{11}{72}\)
Học tốt;-;'
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 +1 +5 +6 + 9+ 2+ 3+ 5+ 6+ 5+ 9+ 5+ 3+ 2+ 8+ 1+ 5+ 5+ 9+ 9+ 8+ 8+ 8+ 8+ 8+ 8+ 6+ 3+ 3+ 3+ 2+ 1+ 1+ 1+5 +4 + 5+ 2+ 2
31 + 25+ 63+ 96+ 5+ 3+ 65+ 66+ 666+ 6+ 56+ 2+ 2+45 +5 + 5+ 456 +49 + 49+496+ 4554 +45 +562 +45 +693 +42+ 258 +6 +3 +3 +3 + 3+ 3+ 3+ 3+ 3+ 3+ 3+6 +6 + 6+ 6 +6 +6 + 6+ 6 +9 +9 + +9+ 9+ 9+9+6+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+ 9 + 9+ 9+9 + 9+ 9+ 9+ 9+ 9+ 9+ 9+ 9+9+9 + 9+9+ 9+ 9+ 9+9+9+ 9+ 9 + 9 +9 +9+9 + 9+ 9+9+ 9 + 9+ 9+ 9+ 9+ 9+ 9+ 9 +9 + 9 +9 +9 +9 + 9+ 9 +9 +9 + 9 +9 + 9+ 9+ 9 + =+ 9 +9 +9 +9 +9 + 9+ 9 + 9 + 9 + 9+ 9 + 9 + 9 + 9 +9 + 9+9 +9+9+ 9+ 9+ 9 +9++ 9 +9 + 9+9+9+9+9 ++9 + 9+9 + =
làm được minh tick cho
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=?
,5*3+9*9+9*6-6*8+5*6-91*2-5-9-8-6*2*3-9-9-9-9-9+64+97+85
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=
1+1+2+3+4+5+6+7+8++9+9+8+7+6+5+4+3+9+9+9+9+9+9+9+1+2+4+8+9+7+9+5+9+7+9+8+8+8
1+1/2+1/3+1/4+....+1/8+1/9+1/10
1/1*10+1/2*9+1/3*8+......+1/8*3+1/2*9+1/10*1
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+1/2+1/3+1/4+......+1/8+1/9
________________________=
1/1*9+1/2*8+1/3*7+........+1/8*2+1/9*1