Question

Tính bằng cách thuận tiện nhất : 30,10 x 35 + 30,10 x 66 - 30,10 

Answer 1

30,10 x 35 +30,10 x 66 - 30,10

= 30,10 x 35 + 30,10 x 66 -30,10 x 1

= 30,10 x ( 35 + 66 - 1 )

= 30,10 x 100

= 3010

 

Answer 2

2 phút trước

 

30,10 x 35 +30,10 x 66 - 30,10

= 30,10 x 35 + 30,10 x 66 -30,10 x 1

= 30,10 x ( 35 + 66 - 1 )

= 30,10 x 100

= 3010

 

30,10 x 35 +30,10 x 66 - 30,10

Answer 3

30,10 x 35 +30,10 x 66 - 30,10

= 30,10 x 35 + 30,10 x 66 -30,10 x 1

= 30,10 x ( 35 + 66 - 1 )

= 30,10 x 100

= 3010

Answer 4

\(-\frac{\left(-x\right)}{3}-\frac{2}{10}=\frac{1}{-5}-\frac{9}{30}\)-(x)