初三数学第一册是口算。

17×40= 100-63= 3.2+1.68= 2.8×0.4=

14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=

10-5.4= 4÷20= 3.5×200= 1.5-0.06=

0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=

1.01×99= 420÷35= 25×12= 135÷0.5=

3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=

1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =

3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =

0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=

4.9×0.7= 1÷5= 6÷12= 0.87-0.49= 24/3*9= 15*3-20= 12*11+13=25*4+36= 36+25-14= 2*36+4= 12/4* 35= (23-8)*3= 14/2+21/3= 42/14+54/9= 55/11*20= 36/9*12= 16/4*19= 16-45/15+6=

123+25=148 123-35=88 56×7=392 135÷5=27

248+89=337 ...146-23=123 ...155×5=775 ...456-12=38 ...

456+45=501 ...546-457=89 ...45×10=451 ...564-12=47 ...

879+54=933 ...896-546=350 ...56×12=672....45-5=9 ...

457+456=913...7+14=21 ...18-9=9...8+16=24 ...25-5=20...9+18=27...56-45=11...10+20=30...45 -23=22...11+22=33...78-23=55...12+24=36...10-3=7 15-4=11 20-5=15 25-6=19 30-7=23 35-8=27

40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-65 438+08=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91 120-25=95 1 25-26=99 130-27=103 13+26=39...14+28=42 ...

15+30=45...16+32=48...17+34=51...18+36=54...19+38=57...20+40=60...21+42=63...22+44=66...23+46=69...24+48=72...25+50=75...26+52=78 ...

27+54=81...28+56=84...29+58=87...30+60=90...31+62=93...32+64=96...33+66=99...5 ÷1 =5 10 ÷2 =515 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 13 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16 5 85 ÷17 5 90 ÷18 5 95 ÷19 5

100 ÷20 5

360 ÷3 =

42× 20=

12 × 50=

1500-700=

5900-4000=

76 + 27=

840 ÷ 2=

770 ÷ 7=

30× 20=

40× 50=

9900+100=

700 ÷ 7=

240× 10=

390 ÷ 3=

60× 50=

71 - 22=

50 × 90=

14 × 20=

600+1200=

840 ÷ 4=

36 + 49=

10 × 60=

800 × 50=

180 ÷ 3=

120 ÷ 6 =

7500+500=

460+140=

33 × 20 =

990 ÷ 3 =

440 ÷ 4 =

83-57 =

860 ÷ 2=

1100-600=

6900-1900=

720 ÷ 8=

0÷999=

7 × 800=

23 × 30=

290 -190=

690 ÷ 3=

690÷3×6=

17×40=

100-63=

3.2+1.68=

2.8×0.4=

14-7.4=

1.92÷0.04=

0.32×500=

0.65+4.35=

10-5.4=

4÷20=

3.5×200=

1.5-0.06=

0.75÷15=

0.4×0.8=

4×0.25=

0.36+1.54=

1.01×99=

420÷35=

25×12=

135÷0.5=

3/4 + 1/4 =

2 + 4/9 =

3 - 2/3 =

3/4 - 1/2=

1/6 + 1/2 -1/6 =

7.5-(2.5+3.8)=

7/8 + 3/8 =

3/10 +1/5 =

4/5 - 7/10 =

2 - 1/6 -1/3 =

0.51÷17=

32.8+19=

5.2÷1.3=

1.6×0.4=

4.9×0.7=

1÷5=

6÷12=

0.87-0.49=

24/3*9=

15*3-20=

12*11+13=

25*4+36=

36+25-14=

2*36+4=

12/4*35=

(23-8)*3=

14/2+21/3=

42/14+54/9=

55/11*20=

36/9*12=

16/4*19=

16-45/15+6=

70÷7=

20×10=

320÷5≈

54×70≈

251÷4≈

6300÷7=

131÷4≈

50×8=

85-45=

0÷5=

280÷4=

60×40=

840-30=

2700÷9=

99×31≈

3.1+2.7=

131÷4≈

50×8=

7.8-1.8=

350÷5=

630÷9=

131÷6≈

10×80=

65-56=

431÷6≈

15×6=

4.8-0.4=

6.1+0.7=

91×18≈

257÷4≈

44÷4=

20×40=

210-30=

34+28 =

63- 63÷9=

120÷3×2=

800÷8=

40×70=

300÷4≈

59×72≈

251÷5≈

630÷7=

131÷6≈

0×108=

45-18=

0÷15=

120÷4=

30×40=

640-70=

1800÷9=

99×39≈

5.1+2.6=

411÷4≈

15×20=

7.3-1.8=

250÷5=

6300÷9=

431÷6≈

20×80=

78-56=

491÷8≈

14×6=

4.8-4.4=

6.1+4.7=

91×19≈

367÷4≈

55÷5=

10×40=

211-30=

134+28 =

50×40-100=

12×20÷30=

900÷30 12×40 480÷80 16×6 12×7

420÷60 100×26 2400+300 5600÷70 320+780

90÷18 16×25 480+30 300-25×4 100-72÷8

689×5≈ 5430÷9≈ 3976÷8≈ 2080×4≈ 260×8≈

17×40= 100-63= 3.2+1.68= 2.8×0.4=

14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=

10-5.4= 4÷20= 3.5×200= 1.5-0.06=

0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=

1.01×99= 420÷35= 25×12= 135÷0.5=

3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=

1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =

3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =

0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=

4.9×0.7= 1÷5= 6÷12= 0.87-0.49= 32+8/4= 125+75*4= 900*(45*2)= 777-186-114= (406-10)*396= 700*7-10=

73+25+75+127= 36/12*3= 5643/27= 4080*25= 6256/68= 204*33= 680+320*4=

330+(984-893)= 203+2136/4= 2718/(219-21)= 3034-88*5= 24*6+146=

981/9-109= 540/18= 4800/300= 6300/70-40= 111*19= 32*8= 117+335*0=

400/25= (56+56)/14= 48/16+97= 6*(150-125)= (1800-200)/40= 25*4-16=

4022/29= 30500*28= 13356/42= 30000-150*120= 24300-36*405= 650+8172/9=

1800+1200/5= 504*60-2008= 698*20+496= 4199+2503-599= 4003-162*20=

88*6= 888*6= 8888*6= 88888*6= 888888*6= 8888888*6= 88888888*6= ……

405*5= 4005/5= 40005/5= 400005/5= …… 12*8= 34*4= 25*4= 40*5= 290/40= 45*2= 24*5= 66*3= 75*4= 263*25= 105*87= 41412/204= 1955/23=

70*510/170= 300-200/50= 240/30= 0/25*4= 11*11-121= 45+55/5= 99/99+99=

420-420*0+80= 400/40-8= 125-25/25-25= 3000/1000= 4*25*6= 1365-365-365= 20*5-20/5= 850-358130/590= 18630/23*305= 3600+1972/34=

280*120+803= 45-15*3= 12*12/12= 27+3-27+3= 18-18/2+1= 38-38/38=

20*5+20*5= (360-360)/4+4= 800-25-25-25-25= 1/1-0*37= 780*50-144/12= 28/105+7236/18= 480-500/50+270= 176+24* 50-356/89= 107*15+321/3*85= 199+32*6-16= 2180-5*40= (69+32)*490-205= 126/(48-46)-10=50*8/(45+3)=

8000/1000+2= 440+560/560= 2*20-20/2= 50/25*2-2= (301-201)*100 1-(84+16)* 0= (111-11-1)/99= 60*3*60/3= (187-87)/100= (25-18+2

格式安排的不好,请自行修改。