File name: CT-500JS_CAL 110524.doc Date: 2011/5/27
Size: 9 x 12.6 cm
- 4 -
300–(300x40%)
=180
300–(300x12%)
=264
300 [–] 40 [%]
12 [%]
180.
264.
%
%
5
4
= 625
5 [x] [=] [=] [=]
625. =
1 / 2 = 0.5
1 [÷] 2 [=] or
2 [÷] [=]
0.5 =
2)
-
5
x
(2
1
= 0.125
2 [x] 5 [–] 2 [÷] [=]
0.125 =
144
= 12
144 [
x
]
12.
(–6) + 4 + 7.5
= 5.5
6 [+/–] [+] 4 [+] 7.5
[=]
5.5 =
3 – 6 – 4 = –7
3 [–] 6 [–] 4 [=]
–7. =
