简便运算,需过程,.
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简便运算,需过程,.
简便运算,需过程,.
简便运算,需过程,.
36*222+888*16
=888*(9+16)
=888*25
=88800/4
=22200
999*222+333*334
=333*3*222+333*334
=333*(666+334)
=333000