Page 231 - NUMINO_WB_4B
P. 231
Expressions with ( ) and { } 087-B5-1
1. Fill in the blanks with the correct numbers.
In an expression with ( )
Example and { }, calculate the
numbers in the ( ) first,
27 {(3 4) 2} and then calculate the
numbers in the { }.
(ad.) 41 {7 (6 2)} (be.) 70 {(53 17) 6 13}
(cf). {(46 13) 3 8} 2 62 (dg). {(32 18) 7 21} 3 57
1. Fill in the blanks with the correct numbers.
In an expression with ( )
Example and { }, calculate the
numbers in the ( ) first,
27 {(3 4) 2} and then calculate the
numbers in the { }.
(ad.) 41 {7 (6 2)} (be.) 70 {(53 17) 6 13}
(cf). {(46 13) 3 8} 2 62 (dg). {(32 18) 7 21} 3 57