19+(8-6)= 52-7-20= 6+(24-9)=
46-8-8= 5+(46-6)= 90-50+20=
40+28-50= 50+14-8= 56-7-20=
24+(26+4)= 45-(38-30)= 30+(26-7)=
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=
10+6= 38-30= 2+63= 35-2=
30-9= 18-8= 30+7= 54+40=
35-20= 25+9= 0+49= 26-9=
45+2-6= 19-3+4= 42+8-7= 20+(42+3)=
2.6元+5角=( )元( )角
1元-7角=( )角
6元9角-5角=( )元( )角
9角+8角=( )元( )角
①36-25=
②38+42=
③91-28=
④57+14+19=
⑤40-5-16=
⑥86+5-47=