
122 123
12*3+5= 12 3+5 (
)
41
34+57= 34+57 (
)
91
45+57= 45 (
) 102
48-23= 48-23 (
)25
14-23= 14 (
)-9
68*25= 68
25 ( ) 1700
68*40= 40 (
) 2720
35/14= 35/14 (
) 2.5
98/14= 98 (
)7
200
10% 200 10 20
10=100
?% 10/100 10
200+
10% 200+10 220
200-
10% 200-10 180
4
4 ( )16
8
8/ ( ) 0.12
•
•
•
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