Toán 5
Presentation
•
Mathematics
•
5th Grade
•
Hard
Amwara K Savage
Used 6+ times
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5 Slides • 0 Questions
1
By Amwara K Savage
2
a) 375,86 + 29,05
b) 80,475 - 26,817
c) 48,16 x 3,4
3
a) 78,29 x 10
78,29 x 0,1
b) 265,307 x 100
265,307 x 0,01
c) 0,68 x 10
0,68 x 0,1
4
Bài giải:
5
a) Tính rồi so sánh giá trị của ( a + b ) x c và a x c + b x c:
a b c ( a + b ) x c a x c + b x c
2,4 3,8 1,2
6,5 2,7 0,8
Nhận xét: ( a + b ) x c = a x c + b x c
b) Tính bằng cách thuận tiện nhất:
9,3 x 6,7 + 9,3 x 3,3
7,8 x 0,35 + 0,35 x 2,2
By Amwara K Savage
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