100% 640÷80= 15×5= 23×3= 12×2×5= 480÷80= 16×5= 27×3= 90÷15= 48÷4= 640÷16= 39÷3= 24×20= 32×3= 48÷16= 12×8= 27×3= 56÷14= 24÷8= 14×2= 83-45= 560÷80= 96÷24= 40÷20= 40×30= 37+26= 76-39= 605+59= 30×23= 12×8= 27+32= 48+27= 4500×20= 73+15 = 120×600 = 200×360= 6800×400= 280+270= 4×2500= 6000÷40= 5×1280= 310-70= 145+65= 560-32= 142+24+76= 0÷27=
250×4= 1-0.85= 78.6×100= 3.08÷1000=
2.5+2.4= 1.25+3 = 240亿+130亿= 5.2元-3.7元=
38.17+4.083= 6.7-2.81=
329+107+171+313= 125×17×8 102×32 =
12.5+84.35+3.5= 15.91-7.45-6.55 = 324+92+276-92 =
1.4×100= 2.80÷10= 2.4÷100= 0.33×10=
0.025×100= 96÷6= 90÷100= 198×36=
80÷16= 0.32-1.98= 0.3+5.7= 24×5=
9396÷58×(32+69)= 1600-(720+650÷13) =
250×400-40836÷12= 1624÷(707-14×36) =
160+270= 730-250= 260+90= 97+18=
300×13= 8400÷40= 70×60= 25×12=
62万-25万= 18万+75万= 1.4-0.8= 0.3+0.7=
770+140= 2400÷200= 11×500= 9900÷900=
865×209= 95238÷234= 458×720 = 58712÷389=
18405 -(3926+1598)= 3500-65×36=
848÷53×487 = 7119÷(1104-789)=
0.25×32×1.25= 2.85×5.2+2.85×5.8-2.85 =
8×(12.5-1.9)= 10.24÷1.25÷8= 126.5×0.25×40=
8.8×(12.5×9.9)= 3.79×78+5.21×78+78=
6.8×0.75÷0.5 = 13.75÷0.125–2.75 =
1.53+23.4÷7.2= 43÷3 = 0.487÷ 2.5=
56.29÷6.1= 7.83÷49 = 2.5÷0.7= 10.1÷3.3=
10.75÷12.5= 3.25×9.04= 0.25×32×1.25 =
2.85×5.2+2.85×5.8-2.85= 8×(12.5-1.9)=
3.6÷0.25÷0.4= 3.69-(1.69-5.8)= 30.6-30.6÷15=
3.6x=54 x+7.9=21 5x-3.8=13.8
6.4x-0.2x=12.4 3y÷2=7.5 2.4y+5.4=6.6
3.25×4.8 = 3.6÷0.25= 0.25×32×1.25=
2.85×5.2+2.85×5.8-2.85=
3.6÷0.25÷0.4 = 3.69-(1.69-5.8)= 500÷60= 140÷30=
30×40= 30×5= 92÷30=
250×4= 1-0.85= 78.6×100= 3.08÷1000=
2.5+2.4= 1.25+3 = 240亿+130亿= 5.2元-3.7元=
38.17+4.083= 6.7-2.81=
329+107+171+313= 125×17×8 102×32 =
12.5+84.35+3.5= 15.91-7.45-6.55 = 324+92+276-92 =
1.4×100= 2.80÷10= 2.4÷100= 0.33×10=
0.025×100= 96÷6= 90÷100= 198×36=
80÷16= 0.32-1.98= 0.3+5.7= 24×5=
9396÷58×(32+69)= 1600-(720+650÷13) =
250×400-40836÷12= 1624÷(707-14×36) =
160+270= 730-250= 260+90= 97+18=
300×13= 8400÷40= 70×60= 25×12=
62万-25万= 18万+75万= 1.4-0.8= 0.3+0.7=
770+140= 2400÷200= 11×500= 9900÷900=
865×209= 95238÷234= 458×720 = 58712÷389=
18405 -(3926+1598)= 3500-65×36=
848÷53×487 = 7119÷(1104-789)=
0.25×32×1.25= 2.85×5.2+2.85×5.8-2.85 =
8×(12.5-1.9)= 10.24÷1.25÷8=