《2025年新思维口算题卡五年级数学下册苏教版》

① $0.03x = 3.6$ $x =$
② $5.4\div x = 6$ $x =$
③ $x - 80 = 45$ $x =$
④ $x\div5 = 6$ $x =$
⑤ $x + 0.7 = 2.8$ $x =$
⑥ $3x = 36$ $x =$
⑦ $0.5x = 1$ $x =$
⑧ $7.5\div x = 0.5$ $x =$
⑨ $x + 1.8 = 7.4$ $x =$
⑩ $48\div x = 16$ $x =$
⑪ $x + 0.9 = 2.5$ $x =$
⑫ $6.5 - x = 5.6$ $x =$
⑬ $x - 3.2 = 3.9$ $x =$
⑭ $2x = 7.4$ $x =$
⑮ $5 + x = 7.2$ $x =$
⑯ $9.1\div x = 7$ $x =$
⑰ $3.5x = 7$ $x =$
⑱ $6 - x = 3.7$ $x =$
⑲ $45 + x = 108$ $x =$
⑳ $8x = 0.88$ $x =$
㉑ $x\div4 = 0.5$ $x =$
㉒ $x - 2.4 = 5.8$ $x =$
㉓ $5.6x = 11.2$ $x =$
㉔ $7.2\div x = 0.8$ $x =$
㉕ $x\div5 = 2.5$ $x =$
㉖ $0.4x = 8$ $x =$
㉗ $3x = 3.3$ $x =$
㉘ $12.1\div x = 11$ $x =$
㉙ $36\div x = 30$ $x =$
㉚ $15 - x = 7.1$ $x =$

答案：  ① 120 ② 0.9 ③ 125 ④ 30 ⑤ 2.1 ⑥ 12 ⑦ 2 ⑧ 15 ⑨ 5.6 ⑩ 3 ⑪ 1.6 ⑫ 0.9 ⑬ 7.1 ⑭ 3.7 ⑮ 2.2 ⑯ 1.3 ⑰ 2 ⑱ 2.3 ⑲ 63 ⑳ 0.11 ㉑ 2 ㉒ 8.2 ㉓ 2 ㉔ 9 ㉕ 12.5 ㉖ 20 ㉗ 1.1 ㉘ 1.1 ㉙ 1.2 ㉚ 7.9