Question

Tính hợp lí:

-23.63+23.21-58.23

Giúp mk nha!!

^-^

Answer 1

-23.63+23.21-58.23

= 23. (-63) + 23.21 - 58.23

= 23.( -63 + 21-58)

= 23. (-100)

= -2300

Answer 2

-23.63+23.21-58.23=23.-63+23.21-58.23=23(-63+21-58)=23.-100=-2300

Answer 3

\(-23.63+23.21-58.23\)

\(=-63.23+21.23-58.23\)

\(=23.\left(21-58-63\right)\)

\(=23.\left(-100\right)\)

\(=-2300\)

Answer 4

= -58.95

Answer 5

       -23.63+23.21-58.23

\(\Leftrightarrow\)23.-63+23.21-58.23

\(\Leftrightarrow\)23(-63+21-58)

\(\Leftrightarrow\)23.-100

\(\Leftrightarrow\)-2300

Answer 6

mik lộn = 2300

Answer 7

Trả lời:

\(\left(-23\right)\times63\)\(+23\times21\)\(-58\times23\)

\(=23\times\)\(\left(-63+21-58\right)\)

\(=23\times\left(-100\right)\)

\(=-2300\)

Hok tốt!

Vuong Dong Yet