三道六年级分数算式简算/为分号,解题过程+解析 谢谢(×and÷是用搜狗拼音输入法快捷输入的数字\单位输入的)①1/1×2+1/2×3+1/3×4.1/99×100②(4/9+6/7+5/21)÷(2/9+3/7+5/42)③1/6×35+5/6×17
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 14:50:33
![三道六年级分数算式简算/为分号,解题过程+解析 谢谢(×and÷是用搜狗拼音输入法快捷输入的数字\单位输入的)①1/1×2+1/2×3+1/3×4.1/99×100②(4/9+6/7+5/21)÷(2/9+3/7+5/42)③1/6×35+5/6×17](/uploads/image/z/631552-40-2.jpg?t=%E4%B8%89%E9%81%93%E5%85%AD%E5%B9%B4%E7%BA%A7%E5%88%86%E6%95%B0%E7%AE%97%E5%BC%8F%E7%AE%80%E7%AE%97%2F%E4%B8%BA%E5%88%86%E5%8F%B7%2C%E8%A7%A3%E9%A2%98%E8%BF%87%E7%A8%8B%2B%E8%A7%A3%E6%9E%90+%E8%B0%A2%E8%B0%A2%EF%BC%88%C3%97and%C3%B7%E6%98%AF%E7%94%A8%E6%90%9C%E7%8B%97%E6%8B%BC%E9%9F%B3%E8%BE%93%E5%85%A5%E6%B3%95%E5%BF%AB%E6%8D%B7%E8%BE%93%E5%85%A5%E7%9A%84%E6%95%B0%E5%AD%97%5C%E5%8D%95%E4%BD%8D%E8%BE%93%E5%85%A5%E7%9A%84%EF%BC%89%E2%91%A01%2F1%C3%972%EF%BC%8B1%2F2%C3%973%2B1%2F3%C3%974.1%2F99%C3%97100%E2%91%A1%EF%BC%884%2F9%2B6%2F7%2B5%2F21%EF%BC%89%C3%B7%EF%BC%882%2F9%2B3%2F7%2B5%2F42%29%E2%91%A21%2F6%C3%9735%2B5%2F6%C3%9717)
xRJA~nc̮.OҍѵH@A?ʲDcBhly1o83땯i5[&8}s8dX˓|y֣,F_wGʪ吝f4> P3ʂ{W'}Q+rӛAԠ!ǏP_c;kL^%;*a aS`,X$;#ǐ3bdaE!2R݇kU_x6A],+@)HF7X$)!6fL97:b`0EnsiJb 2
三道六年级分数算式简算/为分号,解题过程+解析 谢谢(×and÷是用搜狗拼音输入法快捷输入的数字\单位输入的)①1/1×2+1/2×3+1/3×4.1/99×100②(4/9+6/7+5/21)÷(2/9+3/7+5/42)③1/6×35+5/6×17
三道六年级分数算式简算
/为分号,解题过程+解析 谢谢(×and÷是用搜狗拼音输入法快捷输入的数字\单位输入的)
①1/1×2+1/2×3+1/3×4.1/99×100
②(4/9+6/7+5/21)÷(2/9+3/7+5/42)
③1/6×35+5/6×17
三道六年级分数算式简算/为分号,解题过程+解析 谢谢(×and÷是用搜狗拼音输入法快捷输入的数字\单位输入的)①1/1×2+1/2×3+1/3×4.1/99×100②(4/9+6/7+5/21)÷(2/9+3/7+5/42)③1/6×35+5/6×17
①1/1×2+1/2×3+1/3×4.1/99×100
=1-1/2+1/2-1/3+1/3-1/4+.+1/99-1/100
=1-1/100
=99/100
②(4/9+6/7+5/21)÷(2/9+3/7+5/42)
=2×(2/9+3/7+5/42)÷(2/9+3/7+5/42)
=2
③1/6×35+5/6×17
=5/6×7+5/6×17
=5/6×(7+17)
=5/6×24
=20