整数乘除法运算（11.18）
23×40= 54÷3= 18×30= 60÷30= 70×50= 250÷50= 14×60= 80÷40= 18×50= 16×30= 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= 30×23= 12×8= 4500×20= 120×600= 200×360= 6800×400= 4×2500= 6000÷40= 5×1280= 400×14= 1000÷25= 160×600= 20×420= 290×300= 8100÷300= 7600÷200= 7600÷400= 980÷14= 4200÷30= 6×1300= 1300×50= 200×48= 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= 5×490=
760×20= 7500÷500= 370×200= 650÷13= 240×4= 640÷80=
15×10= 160×30= 250×6= 125×8= 48×20= 6600÷600=
11×80= 24×50= 3600÷400= 4000÷50=
320X5= 120X8= 9X470= 310X5= 6X150= 390X5=
6X270= 270X2= 940X3= 700X8= 4X280= 6X660=
2X880= 6X230= 8X800= 7X210= 860X6= 6X930=
480X9= 6X280= 240X3= 7X130= 2X450= 9X390=
9X780= 270X5= 5X690= 790X6= 720X9= 8X920=
4X980= 340X7= 4X710= 8X730= 900X2= 170X9=
9X970= 4X590= 3X860= 290X4= 7X630= 960X7=
小数加减法口口算
5.5+6.0= 5.2+4.8= 4.1+2.8= 3.2+3.3= 6.4+2.9= 3.4+1.6=
5.2+4.8= 8.1+2.1= 0.8+1.3= 1.2+1.6= 1.7+7.2= 6.8+9.1=
3.4+5.5= 0.8+5.1= 3.4+1.8= 1.1+3.5= 4.6+8.1= 4.5+1.2=
9.0+7.6= 1.9+3.4= 4.5+5.5= 5.6+5.4= 7.3+1.7= 0.9+3.5=
5.3+6.4= 4.6+7.8= 1.2+4.3= 4.2+2.1= 3.7+3.2= 1.4+2.4=
8.1+0.5= 0.3+3.2= 6.3+2.5= 4.6+1.4= 3.5+7.3= 9.8+4.5=
0.9+0.8= 0.5+0.3= 3.5+7.8= 1.1+12= 5.6+7.6= 3.4+1.9=
4.5+2.3= 5.7+8.4= 1.8+0.9= 5.8+9.8= 1.3+5.7= 8.9+4.5=
1.6+0.5= 4.5+7.5= 3.6+6.2= 6.5+6.1= 3.5+7.6= 7.5+7.1=
0.7+4.3= 5.1+0.5= 5.3+5.1= 7.8+2.4= 4.5+7.1= 4.1+7.2=
0.9+0.6= 9.7+8.6= 8.6+4.3= 0.9+4= 2.6+3.5= 6.7+1.4=
6.3+6.2= 6.3+5.1= 8.9+0.3= 5.5+1.7= 8.7-3.5= 3.2-2.1=
8-3.2= 10.2-6.2= 6-0.4= 8.3-7= 4.7-4.3= 8.2-5.2=
2.6-0.8= 4.7-2.5= 8.4-0.6= 5.7-3.7= 1-0.9= 3.5-1.3= 3.5-3.4= 9.7-5.4= 4.3-1.4= 7.1-0.2= 8.2-6.8= 6.9-2.5= 2.1-1.7= 6.8-2.9= 4.3-1.2= 6.9-1.2= 3.9-0.8= 1.5-0.8=
5.1-3.4= 3.4-2.3= 6.7-3.1= 8.3-3.3= 8.8-3.2= 12.3-4.5=
5.1-0.9= 1.2-0.3= 4.2-0.1= 7.8-3= 2.2-0.6= 8.9-5.4=
2.7-1.2= 8.5-7.6= 5.2-0.9= 6.2-2= 8.4-6.2= 6.3-4.1=
3.2-1.9= 7.1-5.4= 9.8-5.4= 8.4-4.2= 3.8-0.2= 7.9-0.1=