- 3 -
File name: 384DL_Example_14L_041008.doc
Date: 2004/10/8
Size: 7 x 11.5 cm
300 x 27% = 81
300 [x] 27 [%]
GT
81.
56
11.2
x 100% = 20%
11.2 [÷] 56 [%]
GT
20.
300 [+] 40 [%]
GT
420.
300+(300x40%)
=420
300–(300x40%)
=180
300 [–] 40 [%]
GT
180.
5
4
= 625
5 [x] [=] [=] [=]
GT
625.
1 / 2 = 0.5
2 [÷] [=]
GT
0.5
6)
-
5
x
(2
1
= 0.25
2 [x] 5 [–] 6 [÷] [=]
GT
0.25
(–6) + 4 + 7.5
= 5.5
6 [+/–] [+] 4 [+] 7.5 [=]
GT
5.5
3 – 6 – 4 = –7
3 [–] 6 [–] 4 [=]
GT
–7.
