用简便方法计算6.73+5.8+0.42×67.3
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同学,题目计算6.73x5.8+0.42×67.3吧,题目截图发出来看一下
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用简便方法计算6.73+5.8+0.42×67.3
同学,题目计算6.73x5.8+0.42×67.3吧,题目截图发出来看一下
答案67.3,简便计算 6.73x5.8+0.42x67.3 =6.73x5.8+4.2x6.73 =6.73x(5.8+4.2) =6.73x10 =67.3
答案67.3,简便计算 6.73x5.8+0.42x67.3 =6.73x5.8+4.2x6.73 =6.73x(5.8+4.2) =6.73x10 =67.3
运用乘法分配律的逆运算axb+axc=ax(b+c)