0.36×42.3+0.423×67的简便计算
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你好,0.36×42.3+0.423×67=36x0.423+0.423x67=0.423x(36+67)=0.423x103
咨询记录 · 回答于2022-09-09
0.36×42.3+0.423×67的简便计算
你好,0.36×42.3+0.423×67=36x0.423+0.423x67=0.423x(36+67)=0.423x103
0.423x103=0.423x(100+3)=0.423x100+0.423x3=42.3+1.269=43.569
答案是43.569
如果是0.423x64就更方便计算了,36+64=100
0.36x42.3=36x0.423,掌握的知识点
你好,还有其他问题吗?