78-357-643= 68+35×13= Р725-[(25×5+237)]= (114+166)÷35= Р432÷(9×8)= 39×101= Р25×32= 2560×23= Р25×(26×4)= 25×44 =Р6×(15×9)= 800-600÷20= Р18×(537-488)= 735÷15×6= Р75×299+75= 720÷16÷5= Р48+89+52= 124+67+274+23= Р478―149―51= 165-39+135-161= Р4×78×5= 25×69×2×4= Р25×36= 25×125×32=Р440÷4÷5= 360÷(9×2)= Р450÷18= 630÷42=Р263+85-163= 327―(120-73)= Р278―(28+178)= 450÷(6×5)= Р105×34-5×34=13×99+13= 320÷10+6×5=Р480÷[(10+6)×5]= (165-75÷3)×8=Р0.125×3.2×2.5 = [58.8÷(6×0.07)+1.5]×0.4=Р7.05×23.7+7.05×76.3= 12.81-(1.5+7.81) = Р1025-1125÷4.5×3.6 = (12+23.1÷0.75)×0.4-5.12=Р8.7×2.6+6.4×8.7+8.7= 1.6×[(12-7.2)÷(0.84÷2.1)]=Р12.25-3.1+0.85-6.17= (1.9-1.9×0.9)÷(3.8-2.8)=Р2.65×1.7+1.35×1.7 630÷[2.98+6.5×(3.2-3.12)]=Р[2+2.53÷(0.44×1.25)]÷0.66 (16.45-1.82-4.45-2.18)÷1.25=Р二、解下列方程Р278+X=1075 X-362=781 Р РX÷12=1320 25×X=675
全文预览
