乘法分配律、结合律、交换律 85×82+82×1575×299+75125×88167+89+335×289×225×97+25×3(125+17)×858+39+42+61(125×25)×488×102378+527+7376×25+25×24
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![乘法分配律、结合律、交换律 85×82+82×1575×299+75125×88167+89+335×289×225×97+25×3(125+17)×858+39+42+61(125×25)×488×102378+527+7376×25+25×24](/uploads/image/z/252113-41-3.jpg?t=%E4%B9%98%E6%B3%95%E5%88%86%E9%85%8D%E5%BE%8B%E3%80%81%E7%BB%93%E5%90%88%E5%BE%8B%E3%80%81%E4%BA%A4%E6%8D%A2%E5%BE%8B+85%C3%9782%2B82%C3%971575%C3%97299%2B75125%C3%9788167%2B89%2B335%C3%97289%C3%97225%C3%9797%2B25%C3%973%28125%2B17%29%C3%97858%2B39%2B42%2B61%28125%C3%9725%29%C3%97488%C3%97102378%2B527%2B7376%C3%9725%2B25%C3%9724)
乘法分配律、结合律、交换律 85×82+82×1575×299+75125×88167+89+335×289×225×97+25×3(125+17)×858+39+42+61(125×25)×488×102378+527+7376×25+25×24
乘法分配律、结合律、交换律
85×82+82×15
75×299+75
125×88
167+89+33
5×289×2
25×97+25×3
(125+17)×8
58+39+42+61
(125×25)×4
88×102
378+527+73
76×25+25×24
乘法分配律、结合律、交换律 85×82+82×1575×299+75125×88167+89+335×289×225×97+25×3(125+17)×858+39+42+61(125×25)×488×102378+527+7376×25+25×24
85×82+82×15
=82×(85+15)
=82×100
=8200;
75×299+75
=75×(299+1)
=75×300
=22500;
125×88
=125×8×11
=1000×11
=11000;
167+89+33
=167+33+89
=200+89
=289;
5×289×2
=289×5×2
=289×10
=2890;
25×97+25×3
=25×(97+3)
=25×100
=2500;
(125+17)×8
=125×8+17×8
=1000+136
=1136;
58+39+42+61
=(58+42)+(39+61)
=100+100
=200;
(125×25)×4
=125×25×4
=125×100
=12500;
88×102
=88×(100+2)
=8800+176
=8976;
378+527+73
=378+600
=978;
76×25+25×24
=25×(76+24)
=25×100
=2500;
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