35.6_1.8-15.6-7.2=35.6-15.6-(1.8+7.2)=20-9=11希望能帮到你
简便计算35点6-1点8-15点6-7点235点6-1点8-15点6-7点2=(35.6-15.6)-(1.8+7.2)=20-10=10
35.6_1.8-15.6-7.2=35.6-15.6-(1.8+7.2)=20-9=11