B. 2.55 + 145.05
C. 25.59 + 1.2
D. 23.04 + 124.1 + 34.06
Choose all of the addition problems in which you annex zeros to align place values in the addends.
A. 0.54 + 12.1
B. 2.55 + 145.05
C. 25.59 + 1.2
D. 23.04 + 124.1 + 34.06
E. 1.51 + 3.07 + 4.18
1 answer