tính bằng cách thuận tiện 12371-5228+1429= 36,4x 99 +36-0,4 05/11/2021 Bởi Kennedy tính bằng cách thuận tiện 12371-5228+1429= 36,4x 99 +36-0,4
`12371-5228+1429` `=12371+1429-5228` `=13800-5228` `=8572` Sửa đề: `36,4x 99 +36+0,4` `=36,4*99+(36+0,4)` `=36,4*99+36,4` `=36,4(99+1)` `=36,4*100` `=3640` Bình luận
$12371 – 5228 + 1429 $ $= ( 12371 + 1429 ) – 5228$ $= 13800 – 5228$ $= 8572$ $36,4 \times 99 + 36 + 0,4$ $= 36,4 \times 99 + 36,4 \times 1$ $= 36,4 \times ( 99 + 1 )$ $= 36,4 \times 100$ $= 3640$ Bình luận
`12371-5228+1429`
`=12371+1429-5228`
`=13800-5228`
`=8572`
Sửa đề:
`36,4x 99 +36+0,4`
`=36,4*99+(36+0,4)`
`=36,4*99+36,4`
`=36,4(99+1)`
`=36,4*100`
`=3640`
$12371 – 5228 + 1429 $
$= ( 12371 + 1429 ) – 5228$
$= 13800 – 5228$
$= 8572$
$36,4 \times 99 + 36 + 0,4$
$= 36,4 \times 99 + 36,4 \times 1$
$= 36,4 \times ( 99 + 1 )$
$= 36,4 \times 100$
$= 3640$