5.04*6.5-2.76怎样简算
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5.04*6.5-2.76怎样简算5.04*6.5-2.76怎样简算5.04*6.5-2.76怎样简算5.04*6.5-2.76=(5+0.04)*13/2-2.76=(5*13+0.04*13)/2
5.04*6.5-2.76怎样简算
5.04*6.5-2.76怎样简算
5.04*6.5-2.76怎样简算
5.04*6.5-2.76
= ( 5 + 0.04) * 13 / 2 - 2.76
= (5 * 13 + 0.04 * 13) /2 - 2.76
= (65 + 0.52) /2 - 2.76
= 65.52 /2 - 2.76
= 32.76 - 2.76
= 30