四年级下册解方程题(非应用题)
2个回答

X - 14=15 X ÷ 3 = 1.3 4X + 1.2×5 = 24.4 8X - 5X = 27

4x --- 0.95 = 1.8 2 +(x+1) = 6 (10-7.5) x = 0.125 8x - 2x = 24

7χ-2×9=80 7+5χ=42 100-2X=50 13χ-7.5χ=18.7

(χ+12)×6=108 180÷X=12