RashmiraniSahu RashmiraniSahu

05-07-2020
Mathematics

contestada

A. Fill in the boxes :
8 tens + 19 ones = 9 tens +
ones
8 tens + 2 ones = 7 tens +
ones
7 tens + 25 ones = 9 tens +
ones
70 + 11 = 80 +
50 +
= 60 + 3
90 + 13 =
+ 3

Respuesta :

mani82ebra mani82ebra

05-07-2020

Step-by-step explanation:

it's simple:

8 tens + 19ones = 9 tens + 9 ones
8 tens + 2 ones =7 tens+12 ones
7 tens +25 ones = 9 tens + 5 ones
70+11=80+1
50+13=60+3
90+13=100+3

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