0.82×32+3.2-0.32×91巧算!!!!!!!!!!!!巧算
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0.82×32+3.2-0.32×91巧算!!!!!!!!!!!!巧算0.82×32+3.2-0.32×91巧算!!!!!!!!!!!!巧算0.82×32+3.2-0.32×91巧算!!!!!!!!!
0.82×32+3.2-0.32×91巧算!!!!!!!!!!!!巧算
0.82×32+3.2-0.32×91
巧算!!!!!!!!!!!!巧算
0.82×32+3.2-0.32×91巧算!!!!!!!!!!!!巧算
=0.82*32+0.1*32-32*0.91
=(0.82+0.1-0.91)*32
=0.01*32
=0.32
0.82×32+3.2-0.32×91
=3.2×﹙8.2＋1－9.1﹚
=3.2×0.1
=0.32
0.32
0.32
0.82×32+3.2-0.32×91
=32×（0.82+0.1-0.91）
=32×0.01
=0.32
0.82×32+3.2-0.32×91=32×（0.82+0.1-0.91）=32×0.01=0.32
0.82×32+3.2-0.32×91巧算!!!!!!!!!!!!巧算
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