Page 140 - NUMINO TB_1B
P. 140
038_G1U30_G2U6˙—» ¿º 2011.3.22 5:14 PM ˘ ` 129 PDF_In 2540DPI 150LPI T
ObjectOivbeje:cLtievea:rnLetaornsutobtsruabcttra2c-td2ig-idtigniut mnubmebresr. s
? 60 To find ,
subtract 20
20
from 60.
20 + = 60
60 - 20 =
30 ?
90
30. What Is the missing Number? 129
ObjectOivbeje:cLtievea:rnLetaornsutobtsruabcttra2c-td2ig-idtigniut mnubmebresr. s
? 60 To find ,
subtract 20
20
from 60.
20 + = 60
60 - 20 =
30 ?
90
30. What Is the missing Number? 129
