a) 58.75 + 58.50 – 58.25 b) 27.39 + 27.63 – 2.27 c) 128.46 + 128.32 + 128.22 d) 66.25 + 5.66 + 66.14 + 33.66 e) 12.35 + 35.182 – 35.94

0 bình luận về “a) 58.75 + 58.50 – 58.25 b) 27.39 + 27.63 – 2.27 c) 128.46 + 128.32 + 128.22 d) 66.25 + 5.66 + 66.14 + 33.66 e) 12.35 + 35.182 – 35.94”

1. a) `58.75+58.50-58.25`

   `= 58.(75+50-25)`

   `= 58.100`

   `= 5800`

   b) `27.39+27.63-2.27`

   `= 27.(39+63-2)`

   `= 27.100`

   `= 2700`

   c) `128.46+128.32+ 28.22`

   `= 128.(46+32+22)`

   `= 128.100`

   `= 12800`

   d) `66.25+5.66+66.14+33.66`

   `= 66.(25+5+14+33)`

   `= 66.77`

   `= 5082`

   e) `12.35+35.182–35.94`

   `= 35.(12+182-94)`

   `= 35.100`

   `= 3500`

   Trả lời