Page 216 - MATH NIVEL 1
P. 216
Machine Translated by Google
1st Grade - Primary Education MATHEMATICS
*
With grouping signs.
a) (398 – 199) + 132
b) 345 + (274 – 182)
c) (250 + 350) – (110 + 80)
T AREA FOR THE HOUSE
Perform the following combined operations in your notebook.
a) 236 + 587 – 142 + 278 c) 370 + 140 + 280 + 160
b) 875 – 316 + 219 – 142 d) 999 – 489 + 272 – 145
215