A.x-0.5=2.5 | B.x=2.5+0.5 | C.x+0.5=2.5 |
A.n | B.6 | C.n﹣6 | D.n+6 |
A.x=2 | B.x=4 | C.x=6 |
A.2,8,7 | B.2,0.8,0.07 | C.2,0.8,0.07 |
A.0.8和0.80大小意义都相同 | B.7.4吨>7吨4千克 |
C.3个 是0.003 | D.2.56保留一位小数是2.6 |
A.0.68 | B.0.068 | C.6.8 |
A.748.88 | B.74.888 | C.7.4888 |
A.> | B.< | C.= | D.× |
A.x=55 | B.x=25 | C.x=100 |
A.2.003 | B.5020 | C.2.100 |