
括号20.7-6.32反括号乘5.6-3.4怎么简算?
1个回答
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(20.7-6.32)×5.6-3.4
=14.38×5.6-3.4
=14.38×(6-0.4)-3.4
=14.38×6-14.38×0.4-3.4
=86.28-5.752-3.4
=80.528-3.4
=77.128
=14.38×5.6-3.4
=14.38×(6-0.4)-3.4
=14.38×6-14.38×0.4-3.4
=86.28-5.752-3.4
=80.528-3.4
=77.128
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