计算。1.[13/5+2.4×(5/3)-1.5]÷1.1 2.16/7÷8/35+4.375×8/7 3.[33/10-﹙11.9-8.4×4/3﹚]÷130%
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[13/5+2.4×(5/3)-1.5]÷1.1
=[13/5+(24/10)*(5/3)-1.5]/1.1
=[2.6+4-1.5]/1.1
=5.1/1.1=51/11
16/7÷8/35+4.375×8/7
=16/7*(35/8)+4又3/8*(8/7)
=10+35/8*(8/7)
=10+5=15
[33/10-﹙11.9-8.4×4/3﹚]÷130%
=[3.3-(11.9-2.8*4)]/130%
=[3.3-(11.9-11.2)]/130%
=[3.3-0.7]/130%
=2.6/1.3=2
=[13/5+(24/10)*(5/3)-1.5]/1.1
=[2.6+4-1.5]/1.1
=5.1/1.1=51/11
16/7÷8/35+4.375×8/7
=16/7*(35/8)+4又3/8*(8/7)
=10+35/8*(8/7)
=10+5=15
[33/10-﹙11.9-8.4×4/3﹚]÷130%
=[3.3-(11.9-2.8*4)]/130%
=[3.3-(11.9-11.2)]/130%
=[3.3-0.7]/130%
=2.6/1.3=2
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