1.(24+12)*2=72; (150-60):3=30; 72:(36-24)*10=60; 150-(2*24+12):6=140
(24+12)×2=72 (150-60):2=90 72:(36-24)×10=60
1.(24+12)*2=72; (150-60):3=30; 72:(36-24)*10=60; 150-(2*24+12):6=140
(24+12)×2=72 (150-60):2=90 72:(36-24)×10=60