56/58×37怎样简便运算?
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56/58×37怎样简便运算?
56/58×37怎样简便运算?
56/58×37怎样简便运算?
=(58-2)/58×37
=37-2×37/58
=37-37/29
=35又21/29
56/58×37怎样简便运算?
56/58×37怎样简便运算?
56/58×37怎样简便运算?
=(58-2)/58×37
=37-2×37/58
=37-37/29
=35又21/29