87x66+87x78+144x13简便方法怎么计算
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发布时间:2024-10-10 08:07
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热心网友
时间:2024-11-24 22:03
简便方法计算:相加合并后相乘
87x66+87x78+144x13
=87×(66+78)+144×13
=87×144+144×13
=144×(87+13)
=144×100
=14400
热心网友
时间:2024-11-24 22:04
简便方法计算:
87x66+87x78+144x13
=87x(66+78)+144x13
=87x144+144x13
=144x(87+13)
=144x100
=14400
热心网友
时间:2024-11-24 22:04
87x66+87x78+144x13
=87x(66+78)+144x13
=87x144+144x13
=144x(87+13)
=144x100
=14400
热心网友
时间:2024-11-24 22:05
87x66+87x78+144x13
=87×(66+78)+144x13
=87×144+144x13
=144×(87+13)
=144×100
=14400
热心网友
时间:2024-11-24 22:06
=87x(66+78)+144x13
=87x144+144x13
=144(87+13)
=144x100
=14400