Đáp án:
Giải thích các bước giải:
`a, 58 . 75 + 58 . 50 - 58 . 25`
= `58 . ( 75 + 50 - 25 )`
= `58 . 100`
= `5800`
`b, 128 . 46 + 128 . 32 +128 . 22`
= `128 . ( 46 + 32 + 22 )`
= `128 . 100`
= `12800`
`c, 66 . 25 + 5 . 66 + 66 . 14 + 33 . 66`
= `66 . ( 25 + 5 + 14 + 33 )`
= `66 . 77`
= `5082`
`d, 35 . 23 + 35 . 41 + 64 . 65`
= `35 . ( 23 + 41 ) + 64 . 65`
= `35 . 64 + 65 . 65`
= `64 . ( 35 + 65 )`
= `64 . 100`
= `6400`
`e, 29 . 87 - 29 . 23 + 64 . 71`
= `29 . ( 87 - 23 ) + 64 . 71`
= `29 . 64 + 64 . 71`
= `64 . ( 29 + 71 )`
= `64 . 100`
= `6400`
`f, 48 . 19 + 48 . 115 + 134 . 52`
= `48 . ( 19 + 115 ) + 134 . 52`
= `48 . 134 + 134 . 52`
= `134 . ( 48 + 52 )`
= `134 . 100`
= `13400`
`g, 125 . 98 - 125 . 46 - 52 . 25`
= `125 . ( 98 - 46 ) - 52 . 25`
= `125 . 52 - 52 . 25`
= `52 . ( 125 - 25 )`
= `52 . 100`
= `5200`
`h, 17 . 93 + 116 . 83 + 17 . 23`
= `17 . ( 93 + 23 ) + 116 . 83`
= `17 . 116 + 116 . 83`
= `116 . ( 17 + 83 )`
= `116 . 100`
= `11600`
`i, 19 . 27 + 47 . 81 + 19 . 20`
= `19 . ( 27 + 20 ) + 47 . 81`
= `19 . 47 + 47 . 81`
= `47 . ( 19 + 81 )`
= `47 . 100`
= `4700`
`j, 87 . 23 + 13 . 93 + 70 . 87`
= `87 . ( 23 + 70 ) + 13 . 93`
= `87 . 93 + 13 . 93`
= `93 . ( 87 + 13 )`
= `93 . 100`
= `9300`