运蔬菜,昨天上午运了354吨,今天运了456吨,还剩下168吨没运,一共有蔬菜858吨。( )
(80-9.8)×-1.32 =70.2×-1.32 =28.08-1.32 =26.76()
18.1+(3-0.299÷0.23)×1 =18.1+1.6×1 =18.1+1.6 =19.7()
(1÷1-1)÷5.1 =(1-1)÷5.1 =0÷5.1 =0()
14.8×6.3-6.3×6.5+8.3×3.7 =(14.8-6.5)×6.3+8.3×3.7 ="8.3×6.3+8.3×3.7" 8.3×(6.3+3.7) =8.3×10 =83()
2881÷43 =(1290+1591)÷434 =1290÷43+1591÷43 =30+37 =67()
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