En payes jr
add 15.3 + 1.1 + 1.7 using mental math.
15.3 and 1.7 are compatible numbers<...
Mathematics, 13.11.2019 01:31 rina62
En payes jr
add 15.3 + 1.1 + 1.7 using mental math.
15.3 and 1.7 are compatible numbers
because they are easy to calculate mentally.
rem
used
or ce
sum
use
the commutative property of addition
allows us to add in any order.
15.3 + 1.1 + 1.7 = 15.3 + 1.7 + 1.1
*1 = 17.0 + 1.1
= 18.1
Answers: 2
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