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2,34 : (2,34 - 1,09) x 35 + 21,086
= 2,34 : 1,25 x 35 + 21,086
= 1,872 x 35 + 21,086
= 65,52 + 21,086 86,606
Chúc bạn học tốt !!!!!!!!!!!!!!!!!!!!!!
2,34 : ( 2,34 - 1,09 ) × 35 + 21,086
= 2,34 : 1,25 × 35 + 21,086
= 1,872 × 35 + 21,086
= 65,52 + 21,085
= 86,606
Cho mk 1 tk nhé
\(1-\frac{1}{2}-\frac{1}{4}-\frac{1}{8}-\frac{1}{16}-\frac{1}{32}\)
=> 1 - \(\frac{1}{32}\)
= \(\frac{32}{32}-\frac{1}{32}\)
= \(\frac{31}{32}\)
=\(1-\frac{1}{2}-\frac{1}{4}-\frac{1}{8}-\frac{1}{16}-\frac{1}{32}\)
=\(1-\left(\frac{1.16}{2.16}\right)-\left(\frac{1.8}{4.8}\right)-\left(\frac{1.4}{8.4}\right)\left(\frac{1.2}{16.2}\right)-\frac{1}{32}\)
=\(1-\frac{16}{32}-\frac{8}{32}-\frac{4}{32}-\frac{2}{32}-\frac{1}{32}\)
=\(1-\frac{1}{32}\)
=\(\frac{31}{32}\)
2,34 : ( 2,34 - 1,09 ) . 35 + 21,086
= 2,34 : 1,25 . 35 + 21,086
= 1,872 . 35 + 21,086
= 65,52 + 21,086
= 86,606
2,34 : ( 2,34 - 1,09 ) . 35 + 21,086
= 2,34 : 1,25 . 35 + 21,086
= 1,872 . 35 + 21,086
= 65,52 + 21,086
= 86,606
1+2+1+2+3+1+2+3+4+1+2+3+4+5
=(1+2)x4+3x3+4x2+5
=3x4+9+8+5
=12+9+8+5
=34
\(\frac{\left(\frac{3}{15}+\frac{1}{4}+\frac{7}{20}\right).\frac{17}{9}}{5\frac{1}{3}+\frac{2}{5}}=\frac{\left(\frac{4+5+7}{20}\right).\frac{17}{9}}{\frac{16}{3}+\frac{2}{5}}\)
= \(\frac{\frac{4.17}{5.9}}{\frac{86}{15}}=\frac{68}{45}:\frac{86}{15}=\frac{34}{129}\)
Tíc nhé! :")
=2,34/1,25*35+21,086
=1,872*35+21,086
=65,52+21,086
=86,606
đúng đấy , k cho mình nha
86,606 nha bạn