① 3.4x - 18×3=24.2 ② 0.2x +5 × 0.6 =4.8 ③9x - 1.5x =15④4 × 5 - 2x = 6 ⑤8 ÷ x =0.4 ⑥6(x - 4.5 )=31.8
问题描述:
① 3.4x - 18×3=24.2 ② 0.2x +5 × 0.6 =4.8 ③9x - 1.5x =15
④4 × 5 - 2x = 6 ⑤8 ÷ x =0.4 ⑥6(x - 4.5 )=31.8
答