解方程练习三
53χ+2.4χ=6 3.5: χ=5:4.2 1.8χ-χ=2.4 x 10=8
.05.2
6×3-1.8χ=7.2 17-5χ=2.4+351 4x =52.1 χ-4
1
χ=83
12.6×65-2χ=8 2.1x =6.05.1 53×21-χ=51 3
2
χ+50%=42
4χ-13=31 4.5+8χ=2721 2χ+4.3×3=1421 χ×(1-83)=13
2
χ-41χ=83 321÷4χ=2.5 4
.0x =65.1 1.6:χ=52:103
3χ-16×3=102 x :197=201:31 4χ+7.1=12.5 χ:0.6=3
1
:4
32:73=97:χ 0.3χ-2=9.1 7x =5.36.0 21x -41=8
1
热门文档