求4道数学题的简便运算答案(3.6×0.75×1.2)÷(1.5×24×0.18)26.44÷0.4+13.22+1.826.39×36+26.39×83-263.9×1.92.25×0.16+264×0.0225+52×2.25+0.225×2

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 17:15:44
求4道数学题的简便运算答案(3.6×0.75×1.2)÷(1.5×24×0.18)26.44÷0.4+13.22+1.826.39×36+26.39×83-263.9×1.92.25×0.16+264×0.0225+52×2.25+0.225×2

求4道数学题的简便运算答案(3.6×0.75×1.2)÷(1.5×24×0.18)26.44÷0.4+13.22+1.826.39×36+26.39×83-263.9×1.92.25×0.16+264×0.0225+52×2.25+0.225×2
求4道数学题的简便运算答案
(3.6×0.75×1.2)÷(1.5×24×0.18)
26.44÷0.4+13.22+1.8
26.39×36+26.39×83-263.9×1.9
2.25×0.16+264×0.0225+52×2.25+0.225×2

求4道数学题的简便运算答案(3.6×0.75×1.2)÷(1.5×24×0.18)26.44÷0.4+13.22+1.826.39×36+26.39×83-263.9×1.92.25×0.16+264×0.0225+52×2.25+0.225×2
3.6×0.75×1.2)÷(1.5×24×0.18)
=(1.8×2×0.75×12÷10)÷(1.5×24×0.18)
=(1.8×1.5×12÷10)÷(1.5×24×0.18)
=0.5
26.44÷0.4+13.22+1.8
=13.22×2÷4×10+13.22+1.8
=13.22×5+13.22+1.8
=13.22×6+1.8
=79.32+1.8=81.12
26.39×36+26.39×83-263.9×1.9
=26.39×36+26.39×83-26.39×19
=26.39×(36+83-19)
=26.39×100
=2639
2.25×0.16+264×0.0225+52×2.25+0.225×2
=2.25×0.16+2.64×2.25+52×2.25+2.25×0.2
=2.25×(0.16+2.64+52+0.2)
=2.25×55
=2.25×50+2.25×5
=112.5+1.125
=123.75

(3.6×0.75×1.2)÷(1.5×24×0.18)=(3.6÷0.18)×(0.75÷1.5)×(1.2÷24)=0.5
26.44÷0.4+13.22+1.8=13.22×2÷0.4+13.22+1.8=13.22×(5+1)+6×0.3=6×(13.22+0.3)=81.12
26.39×36+26.39×83-263.9×1.9=26.39×36+26.39×83-26...

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(3.6×0.75×1.2)÷(1.5×24×0.18)=(3.6÷0.18)×(0.75÷1.5)×(1.2÷24)=0.5
26.44÷0.4+13.22+1.8=13.22×2÷0.4+13.22+1.8=13.22×(5+1)+6×0.3=6×(13.22+0.3)=81.12
26.39×36+26.39×83-263.9×1.9=26.39×36+26.39×83-26.39×19=26.39×(36+83-19)=2639
2.25×0.16+264×0.0225+52×2.25+0.225×2=2.25×0.16+2.64×2.25+52×2.25+2.25×0.2=
2.25×(0.16+2.64+52+0.2)=123.75
还算详细了吧??

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① (3.6×1.2×3/4)÷(3/2×2.4×1.8)=3/4×2/3=1/2
②13.22×(2×5/2+1)+0.3×6=13.52×6=81.12
③26.39×(83+36-19)=26.39×100=2639
④2.25×(0.16+2.64+52+0.2)=2.25×55=123.75

(3.6×0.75×1.2)÷(1.5×24×0.18)分子分母约分1.2与24约分,3.6与0.18约分,0.75与1.5约分=0.5
26.44÷0.4+13.22+1.8=66.1+13.22+1.8=66+13+1+0.1+0.22+0.8=81.12
26.39×36+26.39×83-263.9×1.9= 26.39×36+26.39×83-26.39×19=26....

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(3.6×0.75×1.2)÷(1.5×24×0.18)分子分母约分1.2与24约分,3.6与0.18约分,0.75与1.5约分=0.5
26.44÷0.4+13.22+1.8=66.1+13.22+1.8=66+13+1+0.1+0.22+0.8=81.12
26.39×36+26.39×83-263.9×1.9= 26.39×36+26.39×83-26.39×19=26.39*(36+83-19)=26.39*100=2639
2.25×0.16+264×0.0225+52×2.25+0.225×2=2.25×0.16+2.64×2.25+52×2.25+2.25×0.2
=2.25*(0.16+2.64+52+0.2)=2.25*55=123.75

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(3.6×0.75×1.2)÷(1.5×24×0.18)=0.5
26.44÷0.4+13.22+1.8 =81.12
26.39×36+26.39×83-263.9×1.9=2639
2.25×0.16+264×0.0225+52×2.25+0.225×2=123.75

1、(3.6×0.75×1.2)÷(1.5×24×0.18)
=20×0.5×0.05
=0.5
2、 26.44÷0.4+13.22+1.8
=66.1+13.22+1.8
=66+13.12+2
=68+12+1.12
=80+1.12
=81.12...

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1、(3.6×0.75×1.2)÷(1.5×24×0.18)
=20×0.5×0.05
=0.5
2、 26.44÷0.4+13.22+1.8
=66.1+13.22+1.8
=66+13.12+2
=68+12+1.12
=80+1.12
=81.12
3、 26.39×36+26.39×83-263.9×1.9
=36.39×(36+83-19)
=36.39×100
=3639
4、2.25×0.16+264×0.0225+52×2.25+0.225×2
=2.25×(0.16+2.64+52+0.2)
=2.25×55
=123.75
望采纳!!!

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