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1+2+2+3+3+4+4+5+5+6+6+6+7+7+8+8+8+0+9+9+90+70+496+454+6533+7545x1000x34343-65464+753256x123= 2,592105278x1011
1+2+2+3+3+4+4+5+5+6+6+6+7+7+8+8+8+0+9+9+90+70+496+454+6533+7545x1000x34343-65464+753256x123= 2,592105278x1011
\(\dfrac{7}{5}+\dfrac{4}{7}-\dfrac{9}{10}=\dfrac{49-20}{35}-\dfrac{9}{10}=\dfrac{19}{35}-\dfrac{9}{10}=\dfrac{190-315}{350}=\dfrac{-125}{350}\)
\(\dfrac{2}{1}+\dfrac{3}{4}\text{×}\dfrac{8}{5}=\dfrac{8+3}{4}\text{×}\dfrac{8}{5}=\dfrac{11\text{×}8}{4\text{×}5}=\dfrac{88}{20}\)
mấy câu kia áp dụng là dc!
Bài này dễ ợt
\(\left(1+1+1\right)!=6\)
\(2+2+2=6\)
\(3\times3-3=6\)
\(\sqrt{4}+\sqrt{4}+\sqrt{4}=6\)
\(5+5:5=6\)
\(6-6+6=6\)
\(7-7:7=6\)
\(\sqrt{\left(8+8:8\right)}!=6\)
\(\sqrt{9}\times\sqrt{9}-\sqrt{9}=6\)
\(\sqrt{\left(10-10:10\right)}!=6\)
\(\left(1+1+1\right)!=6\)
\(2+2+2=6\)
\(3\times3-3=6\)
\(\sqrt[]{4}+\sqrt{4}+\sqrt[]{4}=6\)
\(5+\left(5\div5\right)=6\)
\(6\times6\div6=6\)
\(7-\left(7\div7\right)=6\)
\(\sqrt{\left(8\div8\right)+8}!=6\)
\(\left(9-9\right)+\sqrt{9}!=6\)
\(\sqrt{10-\left(10\div10\right)}!=6\)
\(\left(9-9\right)+\sqrt{9}!=6\)
\(\dfrac{8}{9}:\dfrac{3}{7}=\dfrac{56}{27}\\ \dfrac{8}{9}+\dfrac{2}{5}=\dfrac{58}{45}\\ \dfrac{7}{8}-\dfrac{1}{3}=\dfrac{13}{24}\\ \dfrac{3}{10}\times\dfrac{1}{6}=\dfrac{1}{20}\\ 1\dfrac{2}{7}+6\dfrac{5}{6}=\dfrac{9}{7}+\dfrac{41}{6}=\dfrac{341}{42}\\ 5\dfrac{3}{4}-\dfrac{1}{5}=\dfrac{23}{4}-\dfrac{1}{5}=\dfrac{111}{20}\\ 6\dfrac{2}{9}:4\dfrac{7}{10}=\dfrac{56}{9}:\dfrac{47}{10}=\dfrac{560}{423}\\ \dfrac{5}{3}+\dfrac{3}{2}-\dfrac{7}{6}=2\)
(1+1+1)!=6
2+2+2=6
3x3-3=6
\(\sqrt{4}\)+\(\sqrt{4}\)+\(\sqrt{4}\)=6
5+5:5=6
6+6-6=6
7-7:7=6
\(\sqrt{8+8:8}\)!=6
\(\sqrt{9}\)x\(\sqrt{9}\)-\(\sqrt{9}\)=6
\(\sqrt{10-10:10}\)!=6
10:4=x.....(cái chỗ kia là sao ? ko hiểu ! )