A.x="25" | B.x="0" | C.无法确定 |
A.2x+9=15 | B.3x=45 | C.18.8÷x=4 | D.3x÷2=18 |
A.x=4.8 | B.x=1.2 | C.x=3.6 |
A.x-2=20 | B.3x-0.2=0.1 | C.4x-3x=1 | D.1.6÷x=0.8 |
A.x=3 | B.x="4" | C.x=5 |
A.6 | B.6.5 | C.5.5 |
A.2+x=8 | B.x-6.4=10 | C.24x=9.6 |
A.3x-36 | B.0.2x=0.55×4 | C.10x-x=81 |
A.4x+10=38 | B.4x﹣10=22 | C.4x=38+10 |
A.x=9.1 | B.x=2.9 | C.x=5.8 |