《2025年每天100道口算题卡河北少年儿童出版社五年级数学下册苏教版》

① $6 + x - 4.2 = 24$ $x =$
② $15x \div 1.5 = 15$ $x =$
③ $x + 0.7 - 0.9 = 3.4$ $x =$
④ $17.2x - x = 8.1$ $x =$
⑤ $2.4 \div x = 0.08$ $x =$
⑥ $7x - 2.5x = 9$ $x =$
⑦ $1.5x + x = 9$ $x =$
⑧ $1.5x + 0.3x = 5.4$ $x =$
⑨ $9x + 2x = 0.66$ $x =$
⑩ $5.8x - 4.5x = 7.8$ $x =$
⑪ $9x + 6x = 45$ $x =$
⑫ $100(x - 5) = 0.1$ $x =$
⑬ $8x - 2x = 0.84$ $x =$
⑭ $12.6 \div x = 0.7$ $x =$
⑮ $300x - 30 = 90$ $x =$
⑯ $66 \div x = 4$ $x =$
⑰ $x + 1.19x = 2.19$ $x =$
⑱ $10.2x = 360$ $x =$
⑲ $2.3x - 0.36 = 1.02$ $x =$
⑳ $4 + 25x = 29$ $x =$
㉑ $4.5x + 3.5x = 1.6$ $x =$
㉒ $3x + 5x = 48$ $x =$
㉓ $14x - 8x = 12$ $x =$
㉔ $6 \times 5 + 2x = 44$ $x =$
㉕ $56x - 50x = 30$ $x =$
㉖ $12x - 8x = 4.8$ $x =$
㉗ $x - 0.7x = 3.6$ $x =$
㉘ $x + 8.3 = 10.7$ $x =$
㉙ $x + 5.3 = 7.4$ $x =$
㉚ $3(x + 0.5) = 21$ $x =$
㉛ $1.4 \times 8 - 2x = 6$ $x =$
㉜ $x \div 5 + 9 = 21$ $x =$
㉝ $0.1(x + 6) = 3.3 \times 0.4$ $x =$
㉞ $(x - 140) \div 70 = 4$ $x =$

答案： 22.2 1.5 3.6 0.5 30 2 3.6 3 0.06 6 3 5.001 0.14 18 0.4 16.5 1 1800 0.6 1 0.2 6 2 7 5 1.2 12 2.4 2.1 6.5 2.6 60 7.2 420