76.5-12.5*3.2 126.75/0.5-13.6 90.4/2.26*7.07 13.6*3+4.06/0.2 27.3/0.84-0.8*6.5 0.6*（5.3-1.7)/0.9
展开全部
76.5-12.5*3.2
=76.5-40
=26.5
126.75/0.5-13.6
=253.5-13.6
=239.9
90.4/2.26*7.07
=40*7.07
=282.8
13.6*3+4.06/0.2
=13.6+20.3
=33.9
27.3/0.84-0.8*6.5
=32.5+5.2
=37.7
0.6*（5.3-1.7)/0.9
=0.6*4
=2.4
=76.5-40
=26.5
126.75/0.5-13.6
=253.5-13.6
=239.9
90.4/2.26*7.07
=40*7.07
=282.8
13.6*3+4.06/0.2
=13.6+20.3
=33.9
27.3/0.84-0.8*6.5
=32.5+5.2
=37.7
0.6*（5.3-1.7)/0.9
=0.6*4
=2.4
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