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1/43+303/8686+90909/434343+13131313/86868686=1/43+(101×3)/(43×101)+(10101×9)/(43×10101)+(13×1010101)/(86×1010101)=1/43+3/43+9/43+13/86=2/86+6/86+18/86+13/86=39/86...
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其他类似问题
问题1:脱式计算.(能简算的要简算)(1)143+3038686+90909434343+131313868686(2)6.75?2.75÷[10×(9.75?414)](3)0.365×640+312×36.5+365×0.01.[数学科目]
(1)
=
=
=(
=
=
(2)6.75-2.75÷[10×(9.75-4
=6.75-2.75÷[10×(9.75-4.25)],
=6.75-2.75÷[10×5.5],
=6.75-2.75÷55,
=6.75-0.05,
=6.7;
(3)0.365×640+3
=36.5×6.4+3.5×36.5+36.5×0.1,
=36.5×(6.4+3.5+0.1),
=36.5×10,
=365.
问题2:1/43+303/8686+90909/434343+131313/868686简便计算求解释[数学科目]
=1/43+3×101/86×101+9×10101/43×10101+13×10101/86×10101
=1/43+3/86+9/43+13/86
=10/43+16/86
=18/43
问题3:脱式计算.(能简算的要简算)(1)143+3038686+90909434343+131313868686(2)6.75?2.75÷[10×(9.75?414)](3)0.365×640+312×36.5+365×0.01.[数学科目]
(1)
=
=
=(
=
=
(2)6.75-2.75÷[10×(9.75-4
=6.75-2.75÷[10×(9.75-4.25)],
=6.75-2.75÷[10×5.5],
=6.75-2.75÷55,
=6.75-0.05,
=6.7;
(3)0.365×640+3
=36.5×6.4+3.5×36.5+36.5×0.1,
=36.5×(6.4+3.5+0.1),
=36.5×10,
=365.
问题4:1/43+303/8686+90909/434343+131313/868686=1/43+3/86+9/43+13/86=10/43+16/86=18/43如下图分数题[数学科目]
3*101 = 303,86*101 = 8686
9*10101 = 90909,43*10101 = 434343
问题5:1/86+303/8686+90909/868686+13131313/8686868686+1717171717/868686868686[数学科目]
1/86+303/8686+90909/868686+13131313/8686868686+1717171717/868686868686
=1/86+101*3/86*101+9*10101/86*10101+13*1010101/86*1010101+17*1010101/86*1010101
=1/86+9/86+13/86+17/86
=40/86
=20/43
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