(资料图片仅供参考)
一、题文
二、解答
(78-50)%" src="https://edu-tiku.cdn.bcebos.com/originalpic/8979a3023cff42a72ebe81dc4f8e307a?authorization=bce-auth-v1%2Fceae51ce68104d68be6f9ad6f91bceee%2F2021-11-12T07%3A09%3A47Z%2F630720000%2F%2F2ff792ce7af2e87336b941ed47326fd25ce399075339f41dc1b7b2b3a132b24f">1.5=42（元）42+30=72（元）本文到此结束，希望对大家有所帮助。
