tính hợp lí 36 . 28 + 36 . 82 + 64 . 69 + 64 . 41 14/08/2021 Bởi Elliana tính hợp lí 36 . 28 + 36 . 82 + 64 . 69 + 64 . 41
36×28+36×82+64×69+64×41 =36×(28+82)+64×(69+41) =36×110+64×110 =(36+64)×110 =100×110 =11000 xin hay nhất Bình luận
`36.28+36.82+64.69+64.41` `=36.(28+82)+64.(69+41)` `=36.110+64.110` `=110.(36+64)` `=110.100` `=11000` Bình luận
36×28+36×82+64×69+64×41
=36×(28+82)+64×(69+41)
=36×110+64×110
=(36+64)×110
=100×110
=11000
xin hay nhất
`36.28+36.82+64.69+64.41`
`=36.(28+82)+64.(69+41)`
`=36.110+64.110`
`=110.(36+64)`
`=110.100`
`=11000`