Page 130 고등학교 실용 수학 교과서
P. 130
2 p. 14-25
1
1. ( )=( )/( )€
1 p. 9-13 2
(1) -2# (2) -18#
1
( )=1+2+3+4+5+6+7+8=36 3
2 33- (10.45+5.275_5-0.278_25)(33+3)
22
a¶-a§=7€-6€=(7+6)(7-6)=13
=-15 88y
a¡¶-a¡§=17€-16€=(17+16)(17-16)=33
-16#
3
4
(1)
;5(;_30-0 55(1-0 6){;5(;_30-26}+32=79 84
5
13# 2#
80%
(2)
a§=( )+2_( ) ;5(;_15-0 55(1-0 8){;5(;_15-26}+32=58 89
( )=21 ( )=15
a§=21+2_15=51 6
80
4 (1) ( )= 80+20 =0 8
12 13 a
(2) ( )= =0 5
11 89 a+a
12 55+89=144
7
13 89+144=233
3500_2+9000_12+10000_4
_100=119 23y
5 3000_2+8000_12+7000_4
2016 2014 19%
4 10 6 1
8
4+10+6+1=21 3000_2
( )= _100=4 6y
130000
6
8000_12
8+5+21=34 ( )= _100=73 8y
130000
8+13=21 7000_4
( )= _100=21 5y
34 21=1 619j 130000
k 5 74 22
128
473FO>9397PU GGGXY_ YWX^TW_TY`GGG7GG]aX^a[Z
