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Published by g-38045621, 2021-09-22 01:22:54

数学作业5B

数学作业5B

第 35 页

第 36 页

第 37 页

A
D

23

C 20m - 4
= 5m

6 x 5m
D 30 = 30m

第 38 页

M 24 3960
21
RM3960 24 X 21

1 x 6 8x4
3 = 32
3:5

5-3=2
2:8
1:4

4:15 27
27:11 180
1 = 90
5 x 90= 450

3 6cm
2

9cm
10=30cm
1= 3cm

第 42 页

10

79

4 :5
8
1=2
5 = 10
7+8+9+10
= 34

9 34

第 43 页

4 11

15 4
x3 5 2 x3
6-4
=2

10 150
x8 x8

80

150 x 8
= 1200mL


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