A.800cm | B.800dm | C.800m | D.800km |
8 |
x |
1 |
10000 |
a-b |
b |
3 |
5 |
a |
b |
a |
c |
c |
b |
A.6cm | B.7cm | C.8cm | D.9cm |
A.1cm,3cm,4cm,6cm |
B.30cm,12cm,0.8cm,0.2cm |
C.0.1cm,0.2cm,0.3cm,0.4cm |
D.12cm,16cm,45cm,60cm |
x |
6 |
y |
4 |
z |
3 |
x+3y |
3y-2z |
x-y |
13 |
y |
7 |
x+y |
y |
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