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23
1. ADDITION AND SUBTRACTION
Ex. 1-1
Steps
OQaorwn
=
Ex. 1-2
Steps
Oa
nRwWNnN
=
123.1
+ 864.2 + 458 = 1445.3
Operation
123.1
358.8 — 1241.6 — 27.5= —910.3
Operation
358.8
1241.6
27.5
Display
123.1
123.1
864.2
987.3
458.
1445.3
Display
358.8
358.8
1241.6
882.8 -
27.5 -
910.3 -
Note
Ans.
Note
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