网址:http://m.1010jiajiao.com/timu_id_1161622[举报]
(本题8分,每小题4分。)计算:
① -2.8+(-3.6)+(+3)-(-3.6) ② (-12)×()+(-32)÷2
(本题8分,每小题4分。)计算:① -2.8+(-3.6)+(+3)-(-3.6) ② (-12)×()+(-32)÷2