well... answer is 9 la..先做括号的 :1+2=3先乘除后加减,乘除是同等地位的,所以根据数学的规则,要从左到右:6除2=33x3=9
ok ma?
ok lo :(
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3 comments:
well... answer is 9 la..
先做括号的 :1+2=3
先乘除后加减,乘除是同等地位的,所以根据数学的规则,要从左到右:6除2=3
3x3=9
ok ma?
ok lo :(
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