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(3/8+1/27)x8+19/27 简便计算

=3/8*1/27*8+19/27=(3/8*8)*1/27+19/27=3/27+19/27=22/27

(5/8+1/27)x8+19/27怎么简便计算=5/8x8+1/27x8+19/27=5+8/27+19/27=5+(8/27+19/27)=5+1=6

8*(3/8+1/27)+19/27 能简便要简便8*(3/8+1/27)+19/27 =8*3/8+8*1/27+19/27=3+(8/27+19/27)=3+1=4

【0.375+27分之1】x8+27分之19=3+27分之8+27分之19=3+1=4

二七分之一应该是这样:1/27 (0.375+1/27)x8+19/27=0.375x8+1/27x8+19/27=3x0.125x8+1/27x(8+19)=3+1/27x27=3+1=4

(3/8+1/27)*8+19/27=3/8*8+1/27*8+19/27=3+(8/27+19/27)=3+27/27=3+1=4

解:(3/8+1/27)*8+19/27=(3/8)*8+(1/27)*8+19/27=3+(8/27+19/27)=3+(27/27)=3+1=4 3/8+1/27)*8+19/27=3+8/27+19/27=3+(8/27+19/27)=3+1=4

你好!先乘法分配原式=3/8*8+1/27*8+2/27=3+8/27+2/27=3+10/27=3又10/27仅代表个人观点,不喜勿喷,谢谢.

(3/8+1/27)X8+19/27=3/8X8+(1/27X8+19/27)=3+1=47-5/7-1/7X9=7-(5/7+1/7X9)=7-2=5

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