解方程.x÷0.6=4.8

解方程.x÷0.6=4.8 2x+2.4×3=42.2 10x+x=7.3+3.7.
2025-02-22 12:27:48
推荐回答(1个)
回答1:

(1)x÷0.6=4.8,
    x÷0.6×0.6=4.8×0.6,
              x=2.88;

(2)2x+2.4×3=42.2,
        2x+7.2=42.2,
    2x+7.2-7.2=42.2-7.2,
         2x÷2=35÷2,
             x=17.5;

(3)10x+x=7.3+3.7,
       11x=11,
   11x÷11=11÷11,
         x=1.