tính : 2018 x 12,34 + 0,2 x 567 x 100,9 + 20,18 x 8199

Question

minhtu · Answer

`2018*12,34+0,2*567*100,9+20,18*8199`

`=20,18*100*12,34+0,2*100,9*567+20,18*8199`

`=20,18*(100*12,34)+(0,2*100,9)*567+20,18*8199`

`=20,18*1234+20,18*567+20,18*8199`

`=20,18*(1234+567+8199)` (Nhân tử chung là `20,18`)

`=20,18*10000`

`=201800`

uyenthu · Answer

2018 x 12,34 + 0,2 x 567 x 100,9 + 20,18 x 8199

= 20,18 x 100 x 12,34 +567 x 20,18 +20,18 x 8199

= 20,18 x 1234 +567 x20,18 +20,18 x8199

= 20,18 x (1234 +567 +8199 )

= 20,18 x 10000

=201800

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