9.48-5.37一4.63的简算
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答案-0.52,简便计算:9.48-5.37一4.63 =9.48-(5.37+4.63) =9.48-10=-0.52,加减法的结合律
咨询记录 · 回答于2023-02-20
9.48-5.37一4.63的简算
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答案中烂-0.52,简尘培弊便计算:9.48-5.37一4.63 =9.48-(派族5.37+4.63) =9.48-10=-0.52,加减法的结合律
答案-0.52,简便计算:9.48-5.37一4.63 =9.48-(5.37+4.63) =9.48-10=-0.52,带塌加减法的结合律,先计算5.37+4.63=10,蠢正圆再计清数算9.48-10=-0.52
同学,能理解吧
9.85-4.265一5.737+1.15的筒算
9.85-4.265一5.737+1.15 =(9.85+1.15)-(饥做4.265+5.737)盯肢衡凯做 =11-10=1
2.5X32X12.5简第
2.5X32X12.5=2.5x4x8x12.5=10x100=1000