键是[ ]A．开机键B．关机键
C．清除键C
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- 2026-04-27键是 [ ]A．开机键B．关机键C．清除键
- 2026-04-27用计算器计算前4题.试写出后面各题的结果. 1×1=1.1×1.1=1.11×1.11=1.111×1.111=1.1111×1.1111=1.11111×1.11111=1.111111×1.111
- 2026-04-27用计算器计算前4题.试写出后面各题的结果.1+0×9=2+1×9=3+12×9=4+123×9=5+1234×9=6+12345×9=7+123456×9=8+1234567×9=9+12345678
- 2026-04-27用计算器计算. (1) 333667×3= (2) 3.3×3.4= 333667×9= 3.33×33.4= 333667×24= 3.333×333.4= 333667×12= 3.3333×33
- 2026-04-27按规律写得数.6×7=426.6×6.7=44.226.66×66.7=444.2226.666×666.7=6.6666×6666.7=6.66666×66666.7=
- 2026-04-273÷11=0.2727....那么6÷11= [ ]A．0.4747... B．0.6767... C．0.5454...
- 2026-04-272÷11=0.1818....那么4÷11= [ ]A．0.2828... B．0.3636...C．0.4848...
- 2026-04-27算盘上方每颗珠子代表( ).