1.1×0.52+4.44×0.12等于多少简便计算?
3个回答
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原式=0.52x(1+0.1)+4.44x0.12
=0.52+0.052+4.44x(0.1+0.02)
=0.52+0.052+0.444+0.0888
=0.52+0.444+0.052+0.0888
=0.964+0.1408
=1.1048
=0.52+0.052+4.44x(0.1+0.02)
=0.52+0.052+0.444+0.0888
=0.52+0.444+0.052+0.0888
=0.964+0.1408
=1.1048
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1.1×0.52+4.44×0.12
=1.1×0.52+1.11×4×0.12
=1.1×0.52+1.1×0.48+0.01×0.48
=1.1×(0.52+0.48)+0.0048
=1.1+0.0048
=1.1048
=1.1×0.52+1.11×4×0.12
=1.1×0.52+1.1×0.48+0.01×0.48
=1.1×(0.52+0.48)+0.0048
=1.1+0.0048
=1.1048
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此题并没有简便算法。
1.1×0.52+4.44×0.12
=0.572+0.5328
=1.1048
1.1×0.52+4.44×0.12
=0.572+0.5328
=1.1048
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