WAEC - Computer Studies (2024 - No. 6)
Addition and subtraction of numbers in Abacus are done using
bars.
beads.
frame.
string.
ব্যাখ্যা
B: (beads)
Addition and subtraction of numbers in an abacus are done using the beads.
Addition and subtraction of numbers in an abacus are done using the beads.