16-7= 63+7= 34-8= 26+6=
28+9= 59-20= 37+9= 79+10=
25+40-8= 74-4-6= 18+9+9= 49+(7-5)=
66-8+4= 55-5+30= 65-40+8= 20+(35-7)=
1元-2角= 4角+8角= 7元3角-2元1角=
13﹣4=
69+1=
51﹣9=
40﹣20﹣20=
5+40=
24+5=
37﹣5=
39﹣(14+6)=
64﹣30=
28+30=
8+24=
45+(10﹣7)=
40+20=
17-9=
56-3=
42+7=
20+30-7=
86-50=
48-8=
31+14=
56-21=
45+5-30=
列式:
答:车上现在有( )人。
40+30+8=
90-10-60=
26+40-4=
87-70+3=
63-(14+6)=
53-(37-7)=
20+60+8=
63-40-3=
36+30-9=
54+8-30=
42-8-30=
30+30+27=
70+28-90=
63-20+8=
10-(2+3)=
12-(9-7)=
20-(6+4)=
5+(2+8)=
15+10=
13+70=
8+5=
11-6+8=
20-7=
12+6=
79-7=
60-50-7=
16+2=
24-8=
20-3=
87-50+4=
17-6=
85-9=
5+41=
44+6-9=
8+4=
13-4=
92-9=
30+7+4=