8.74+13.82= 3.36-3.29= 46.1+6.95= 17.01-3.72= 29.22+6.33= 83.2-7.9= 47.2-19.6= 39.8+6.79= 9.11+15.9= 85.2-59.3= 3.17+5.6=
6.9-1.15=
8.75+6.7=
4.78+19.4=
43.2-35.5=
4.47+9.64=
69.2-30.4=
16.08+7.78=
12.25-7.62=
36.28+24.9=
51-35.6=
6.11-2.2=
4.86+17.4=
65.16-30.01=
34.9+9.09=
3.92-2.1=
16.3+28.1=
3.57+11.5=
34.1-12.05=
10.37+8.6=
4.78+19.4=
43.2-35.5=
4.47+9.64=
69.2-30.4=
16.08+7.78=
12.25-7.62=
36.28+24.9=
51-35.6=
6.11-2.2=
4.86+17.4=
精品文档
23×40= 54÷3=
18×30= 60÷30= 70×50= 250÷50= 14×60= 80÷40= 18×50= 16×30= 1.25+2.3=
35.7-2.4=
12.3+4.06=
0.75+0.4=
1.34+0.8=
9.5-2.7=
1.8+8.18=
7.82-7.2=
8.7+0.03=
2.7+
3.9=
9.3-8.8=
1.9+25.79=
4.5-3.26=
5.1-1.9=
2.2+5.7=
4.8-2.5=
18.3-3.7=
2.9+15.9=
6.3+3.6=
6.7-4.5=
6.8-0.7=
27.3+2.15=
23.5+1.68=
53.16+3.54=
6.6-3.7=
7.2-2.7=
12.3+3.7=
5.3+4.47=
2.8+1.9=
3.2+12.76=
精品文档
3.25-0.12=
4.5-2.1=
5.8+
6.9= 1.5+4.85= 16.8+5.4= 3.6-1.3= 24.6+2.4= 8.1+1.2= 2.45+5.5= 0.5+2.6= 93.1-20.9=
53.4-2.4=
5-0.08=
96.3-56.2=
136.5-105=
73.4+52.1=
79.2+56.8=
7.21+6.9=
1.64+
2.35=
6.72-3.28=
35.7-2.4=
4.5-3.26=
5.1-1.9=
2.2+5.7=
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=
精品文档
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=
400×14=
470+180=
1000÷25=
160×600=
20×420=
290×300=
8100÷300=
7600÷200=
930-660=
7600÷400=
680+270=
980÷14=
4200÷30=
6×1300=
1300×50=
精品文档
200×48= 530+280= 9200÷400= 840÷21= 180×500= 8000÷500= 1900÷20= 200×160= 8700÷300= 300×330=3×1400=
7000÷14=
600÷12=
9600÷80=
140×300=
8800÷40=
9600÷800=
750－290=
5×490=
760×20=
7500÷500=
370×200=
650÷13=
8600－4200=
240×4=
640÷80=
15×10=
160×30=
250×6=
7200+900=
410-201=
125×8=
48×20=
6600÷600=
390+140=
11×80=
24×50=
3600÷400=
4000÷50=
4.8-2.5=
精品文档
