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406÷7计算并验算

406÷7计算并验算要是406或是7 计算:406/7=58 验算:58*7=406 或406*58=7

计算:406×7=2842 验算:2842÷7=406 或2842÷406=7

验算

406÷62=6......34 验算:62×6+34=406

①39+86=125验算:②406+398=804验算:③610-456=154验算:④900-358=542验算:

145×27=3915;918÷51=18;406×30=12180;200÷25=8;340×27=9180;验算:2100÷35=60.验算:

406-87-235=84 验算 84+235+87=406

405/25=16…… 5 验算 16*25+5=400+5=405

解:406-87-235 =419-235 =184 验算: 方法一: 184+235+87 =406 方法二: 406-184-87 =235

406除以4计算910除以7列式计算并验算 406÷4 =101.5 验算 101.5*4 =406 910÷7 =130 验算 130*7 =910 答

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