6.75乘以0.25-2.75除以4的简便运算

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6.75乘以0.25-2.75除以4的简便运算
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6.75乘以0.25-2.75除以4的简便运算
6.75乘以0.25-2.75除以4的简便运算

6.75乘以0.25-2.75除以4的简便运算
6.75x0.25-2.75÷4
=6.75x1/4-2.75÷4
=6.75÷4-2.75÷4
=(6.75-2.75)÷4
=4÷4 =1

6.75乘以0.25-2.75除以4
=(6.75-2.75)÷4
=4÷4
=1

就是把小数变成分数运算

6.75x0.25-2.75÷4
=6.75x1/4-2.75÷4
=6.75÷4-2.75÷4
=(6.75-2.75)÷4
=4÷4 =1