人教版 数学六年级下册 四则混合运算及简便运算（课件）(共15张PPT)
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| 名称 | 人教版 数学六年级下册 四则混合运算及简便运算（课件）(共15张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 1.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版 | ||
| 科目 | 数学 | ||
| 更新时间 | 2024-10-15 07:37:50 | ||
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(共15张PPT)
(1)原式=2.5+3
=0.75÷[×]-0.3
=0.75÷-0.3
=0.75×15-0.3
=11.25-0.3
=10.95
(2)原式=0.75÷[(+)×]-0.3
=5.5
=24-2.5×1.6
=24-4
=20
=× [(-)÷]
=×[÷]
=×
=
×+0.25÷-25%
=×+×-1×
=×(+-1)
=×4
=1
=(1.25×8)×(0.4×0.25)
=1
=5.29×4.6+4.71×4.6
=46
=(+)+(4.8+5.2)
=11
原式=(3.72+2.28)-(+)
=6-1
=5
=40.8÷(8×1.25)
=40.8÷10
=4.08
=3333×3×1111+9999×8889
=9999×1111+9999×8889
=9999×(1111+8889)
=9999×10000
=99990000
谢谢观看
Thank you for watching
(1)原式=2.5+3
=0.75÷[×]-0.3
=0.75÷-0.3
=0.75×15-0.3
=11.25-0.3
=10.95
(2)原式=0.75÷[(+)×]-0.3
=5.5
=24-2.5×1.6
=24-4
=20
=× [(-)÷]
=×[÷]
=×
=
×+0.25÷-25%
=×+×-1×
=×(+-1)
=×4
=1
=(1.25×8)×(0.4×0.25)
=1
=5.29×4.6+4.71×4.6
=46
=(+)+(4.8+5.2)
=11
原式=(3.72+2.28)-(+)
=6-1
=5
=40.8÷(8×1.25)
=40.8÷10
=4.08
=3333×3×1111+9999×8889
=9999×1111+9999×8889
=9999×(1111+8889)
=9999×10000
=99990000
谢谢观看
Thank you for watching