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1.14.8x0.362+1.48x6.382.(0.65x57.4+0.574x35-57.4)/33.0.666x0.7+0.222x0.94.27.19+18.68+27.81-10.38-5.48-0.625.808x0.125-1600/166.11.8x43-860x0.097.3.49+4.47+3.51+2.38+4.53+2.62
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1.14.8x0.362+1.48x6.38
=1.48*3.62+1.48*6.38
=1.48*(3.62+6.38)
=1.48*10
=14.8
2.(0.65x57.4+0.574x35-57.4)/3
=(65*0.574+0.574*35-0.574*100)/3
=[0.574*(65+35-100)]/3
=0/3
=0
3.0.666x0.7+0.222x0.9
=0.666*0.7+0.666*0.3
=0.222*(0.7+0.3)
=0.222
4. 27.19+18.68+27.81-10.38-5.48-0.62
=27.19+27.81+18.68-(10.38+0.62-5.48)
=55+18.68-16.48
=55+2.2
=57.2
5.808x0.125-1600/16
=(800+8)*0.125-100
=800*0.125+8*0.125-100
=100+1-100
=1
6.11.8x43-860x0.09
=11.8*43-20*43*0.09
=43*(11.8-20*0.09)
=43*10
=430
7.3.49+4.47+3.51+2.38+4.53+2.62
=(3.49+3.51)+(4.47+4.53)+(2.38+2.62)
=7+9+5
=21
=1.48*3.62+1.48*6.38
=1.48*(3.62+6.38)
=1.48*10
=14.8
2.(0.65x57.4+0.574x35-57.4)/3
=(65*0.574+0.574*35-0.574*100)/3
=[0.574*(65+35-100)]/3
=0/3
=0
3.0.666x0.7+0.222x0.9
=0.666*0.7+0.666*0.3
=0.222*(0.7+0.3)
=0.222
4. 27.19+18.68+27.81-10.38-5.48-0.62
=27.19+27.81+18.68-(10.38+0.62-5.48)
=55+18.68-16.48
=55+2.2
=57.2
5.808x0.125-1600/16
=(800+8)*0.125-100
=800*0.125+8*0.125-100
=100+1-100
=1
6.11.8x43-860x0.09
=11.8*43-20*43*0.09
=43*(11.8-20*0.09)
=43*10
=430
7.3.49+4.47+3.51+2.38+4.53+2.62
=(3.49+3.51)+(4.47+4.53)+(2.38+2.62)
=7+9+5
=21
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