30以内加减混合运算50题(四)
19+7-6= 28-9+5= 16+15-17= 27-6-17=
15-6+24= 28+13-29= 26+17-19= 28+19-27=
24-10+15= 28-7+11= 19+15-26= 28+14-17=
19-5+26= 27+27-39= 11+24-27= 19+18-9=
14+21-17= 9+25-32= 324—19+2= 18+17-16=
15+27-23= 28+21-30= 17+14-16= 11+21-15=
25+29-18= 18+25-27= 18-6+17= 15+16-19=
15+23-14= 18+14-17= 19-3+12= 17-3+14=
30-19+12= 26+14-17= 27-16+14= 19+19-9=
28+16-21= 22+19-25= 23-11+23= 18+18-8=
19+12-18= 18+5-19= 19+16-20= 10-9+19=
28+15-6= 24-9+22= 15+15-12= 24+27-31=
26-8+6= 23-16+12=