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27/5x(8/5-1/3)×5/19简便运算

27/5x(8/5-1/3)*5/19简便运算=27/5x5/19x(8/5-1/3)=27/19x(24/15-5/15)=27/19x19/15=9/5

(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*(1/5+1/27)+19/27=8/5+8/27+19/27=8/5+(8+19)/27=8/5+1=13/5

(3/8+1/27)*8+19/27= 3/8*8+1/27*8+19/27=3+(8/27+19/27)=3+1=4 解方程:5X-5*1/4=8/55x-5/4=8/55x=8/5+5/45x=57/20x=57/100 480÷3/5-480=320 【数学辅导团】为您解答!不理解请追问,理解请点击“选为满意回答!

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

(1):5/13x2-5/13x3/8-5/8x5/13=5/13*(2-3/8-5/8)=5/13*(16/8-3/8+5/8)=5/13(2):19*1/4+27*3/4=19*(1-3/4)+27*3/4=19+8*3/4=25

=5/8+5/8X3/10=5/8X(1+3/10)=5/8X13/10=13/16 希望能帮你忙,不懂请追问,懂了请采纳,谢谢

解:原式=5/8x8+1/27*8+19/27 =5+8/27+19/27 =5+(8/27+19/27) =5+1 =6 (乘法分配律,再加法结合律)

27÷8+5x0.125=27x1/8+5x1/8=1/8x(27+5)=1/8x32=4祝学习进步.

37/5-27/8+3/8=37/5-(27/8-3/8)=37/5-24/8=37/5-3=22/5

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