4.18-2.53=1.65只有一位小数那么就是16.516.5+2.53=19.03
4.18-2.53=1.651.65×10=16.516.5+2.53=19.03正确的得数应该是19.03.
- -4.18-2.53=1.65. 16.5+2.53=19.03
2.53+16.5=19.03
4.18-2.53=1.65. 16.5+2.53=19.03
亮文南亮:+4文:+4+6=34钟南:+4+6+10