①9×3﹣7=
②6×4+40=
③58﹣(14+6)=
④16+(73﹣58)=
①46+24=
②72﹣48=
③35+(50﹣18)=
④63﹣(75﹣43)=
18+54= 76-35= 35+20-43=
34-(12+17)= 6+37+25=
18+23+9=
56+27-32=
34+15-13=
99-23-17=
45+375 18+1927 16+27+4386
82-532 75-3639 58-(27-14) 17
96-60=
37+50=
80-8 =
25+9 =
63-6 =
79-30=
48+2=
20+45=
74-8=
75+7=
82-4=
42+33=
36+40+2=
59-9-20=
75-(10+50)=
63-30+5=
56+5-20=
48+(18-9)=