This is the answer to the fifth grade oral calculation card of Beijing Normal University Edition.
640÷80=8
15×5=
75
23×3=69
12×2×5=
120
480÷80=6
16×5=80
27×3=
8 1
90÷ 15=
six
48÷4=
12
640÷ 16=
40
39÷3=
13
24×20=
480
32×3=
96
48÷ 16=
three
12×8=
96
27×3=
8 1
56÷ 14=
four
24÷8=
three
14×2=
28
83-45=38
560÷80=
seven
96÷24=
four
40÷20=2
40×30=
1200
37+26=
63
76-39=
37
605+59=
664
30×23=
690
12×8=
96
27+32=
59
48+27=
75
4500×20=
90000
73+ 15
=
88
120×600
=
72000
200×360=
72000
6800×400=2720000
280+270=
450
4×2500=
10000
6000÷40=
150
5× 1280=
6400
4.3+2.7=
seven
0.75+0.25=
1
4-0.26=
3.74
0.35+2.7=
3.07
4.6- 1.9=
2.7
0.83-0.3=
0.53
3+0.05=
3.05
7.2-3.8=
3.4
0.07+0.6=
0.67
1.39-0.39=
1
10-5.4=
4.6
25.6+23=
48.6