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更换卡西欧 FX-991EX 的电池

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Casio FX-991EX Battery Replacement, Replace the battery: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Casio FX-991EX Battery Replacement, Replace the battery: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
Replace the battery

  • The FX-991EX uses a 1.5V LR44 battery.

  • Slot the new battery into the compartment. Ensure that the positive side (with writing) faces up...

  • And the negative side faces the calculator's screen.

更换电池

FX-991EX 使用一块 1.5V LR44 电池。

在凹槽中插入一块新的电池。确保正极（有字的一面）朝上...

同时负极朝向计算器的屏幕。

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