Question

Tính hợp lí:

374.(3-126) - 126.(-374)

Answer 1

374.-123-126.-374

=374.(-123--126)

=374.3

=1122

Answer 2

374.(3-126)-126.(-374)

=374.(-123)-126.(-1).374

=374.(-123)-(-126).374

=374.[(-123)-(-126]

=374.3

=1122

Answer 3

374.(3-126)-126.(-374)

=1122-374.126-126.(-374)

=1122-[374.(-374)]-(126-126)

=1122

Answer 4

374 x (3-126)-126 x (-374)

=374 x (-123--126)

=374 x 3

=1122