Mathematics
Junior High
Resolved
第二題不會 求教🙏🏻
4 學力目標 四則應用
[某次數學測驗題,答對一題得2分,答錯一題倒
扣1分,不答不扣分。
(1)若甲生答對43題,答錯3題,4題未答,則甲
生實得幾分?
(2)若乙生僅做43題得74分,則乙生答對幾題?
1.43x2=863x1=386-3=83A:83分
【1】 單元1 整數的運算 9
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我有解答但是看不懂它為什麼要2-(-1)