a. 15,36 x 4 + 1,98 x 5
= 61,44 + 9,9
= 71,34
( 15,36 + 1,98) x7
= 17,34 x 7
= 121,38
b. 15,36 x 4 - 1,98 x 5
= 61,44 - 9.9
= 51,54
( 15,36 - 1,98) x 7
= 13,38 x 7
= 93,66
a. 15,36 x 4 + 1,98 x 5
= 61,44 + 9,9
= 71,34
( 15,36 + 1,98) x7
= 17,34 x 7
= 121,38
b. 15,36 x 4 - 1,98 x 5
= 61,44 - 9.9
= 51,54
( 15,36 - 1,98) x 7
= 13,38 x 7
= 93,66
a. 15,36 x 4 + 1,98 x 5
= 61,44 + 9,9
= 71,34
( 15,36 + 1,98) x7
= 17,34 x 7
= 121,38
b. 15,36 x 4 - 1,98 x 5
= 61,44 - 9.9
= 51,54
( 15,36 - 1,98) x 7
= 13,38 x 7
= 93,66