184+98简便运算
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184+98简便运算
184+98简便运算
184+98简便运算
184+98
=184+(100-2)
=184+100-2
=284-2
=282
184+98
=100+90+84+8
=198+84
=282
184+98
=184+(100-2)
=284-2
=282
184+98简便运算
184+98简便运算
184+98简便运算
184+98
=184+(100-2)
=184+100-2
=284-2
=282
184+98
=100+90+84+8
=198+84
=282
184+98
=184+(100-2)
=284-2
=282