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16/3+0,357×(y-5/3)=3/4:9/4+5

bạn hỏi để câu L-I-K-E ak

( 1 + 3 + 5 + ... + 101 ) x ( 456456 x 135 - 135135 x 456 )

= ( 1 + 3 + 5 + ... + 101 ) x ( 456 x 1001 x 135 - 135 x 1001 x 456 )

= ( 1 + 3 + 5 + ... + 101 ) x 0 = 0

`(1+3+5+7+9+…+101)×(456456×135-135135×456)`

`=(1+3+5+7+9+…+101)×(61621560-135135×456)`

`=(1+3+5+7+9+…+101)×(61621560-61621560)`

`=(1+3+5+7+9+…+101)×0`

`=0`

a) (x-101):123=456

x-101         =456x123

x-101         =56088

x                =56088+101

x                =56189

b) (x-100):105=248

     x-100        =248x105

     x-100        =26040

    x                =26040+100

    x                =26140

( x - 101 ) : 123 = 456

x - 101 = 456 x 123

x - 101 = 56088

x = 56088 + 101 

x = 56189

\(11\div\left\{\frac{7}{8}-3\cdot\left[0,25\div\left(1\frac{1}{3}+2\cdot\frac{1}{3}\right)\right]\right\}\)

\(=11\div\left\{\frac{7}{8}-3\cdot\left[\frac{1}{4}\div\left(\frac{4}{3}+2\cdot\frac{1}{3}\right)\right]\right\}\)

\(=11\div\left\{\frac{7}{8}-3\cdot\left[\frac{1}{4}\div\left(\frac{4}{3}+\frac{2}{3}\right)\right]\right\}\)

\(=11\div\left\{\frac{7}{8}-3\cdot\left[\frac{1}{4}\div2\right]\right\}\)

\(=11\div\left\{\frac{7}{8}-3\cdot\frac{1}{8}\right\}\)

\(=11\div\left\{\frac{7}{8}-\frac{3}{8}\right\}\)

\(=11\div\frac{1}{2}\)

\(=22\)

b) 101*789 + 456*128 - 789 + 912*436

= 789*100 + 456*128 + 912*436

= 789*100 + 912*64 + 912*436

= 789*100 + 912*500

= 100*(789 + 912*5)

= 100*5349

= 534900

a) \(\dfrac{35}{101}=\dfrac{105}{303}< \dfrac{189}{303}\Rightarrow\dfrac{35}{101}< \dfrac{189}{303}\)

b) \(\dfrac{11}{13}< \dfrac{11+2}{13+2}=\dfrac{13}{15}< \dfrac{14}{15}\Rightarrow\dfrac{11}{-13}>\dfrac{-14}{15}\)

c) \(-\dfrac{32}{19}< 0< \dfrac{23}{32}\Rightarrow-\dfrac{32}{19}< \dfrac{23}{32}\)

d) \(1,561< 1,5661\Rightarrow-1,561>-1,5661\)

e) \(0,1=\dfrac{1}{10}=\dfrac{40}{400}< \dfrac{40+56}{400+56}=\dfrac{96}{456}< \dfrac{176}{456}\Rightarrow0,1< \dfrac{176}{456}\)

g) \(0,3=\dfrac{3}{10}=\dfrac{9}{30}< \dfrac{9+8}{30+8}=\dfrac{17}{38}< \dfrac{19}{38}\Rightarrow0,3< \dfrac{19}{38}\Rightarrow-0,3>\dfrac{-19}{38}\)

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????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

456 x 36 + 456 x 61 + 4 x 456 - 456

= 456 x ( 36 + 61 + 4 - 1 )

= 456 x 100

= 45600

Nhớ tích cho mk nha

456x36+456x61+4x456-456

=456x(36+61+4-1)

=456x100

=45600

Ta có :

456x36+456x61+4 x456+456

=456x(36+61+4+456)

=456x...tự tính

=...tự tính

Umm mình tưởng là cái 456 đó tính là 1 thôi chứ nhỉ ban???