Question

va rog doar rasp rasp corect sau report si blestem

Answer 1

ex 1 :

a) 36-6 = 6 ( 3× 12 = 36 ; 3 × 2= 6)

d) 255-105 = 150 ( 17×5 = 255 ; 15×7= 105)

b) 92+44= 136 ( 23×4=92 ; 4×11=44)

e) 90+10=100 ( 5×18=90 ; 5×2=10 )

c) 343+217-350= 210 (7×49=343 ; 7×31=217 ; 7×50=350)

f) 99+330-176=253 (9×11=99 ; 30×11=330 ; 11×16=176)

ex 2:

a) 204+306=510 ( 17×12=204 ; 17×18=306 )

b) 990+1.210=2.200 (45×22=990 ; 22×55=1.210 )

c) 3.744+744-2.088= 2.400 ( 14×156=3.744 ; 24×31=744 ; 24×87=2.088 )

d) 11.242+10.758=22.000 ( 511×22=11.242 ;489×22=10.758 )

e) 25.259+12.441=37.700 ( 67×377=25.259 ; 377×33=12.441 )

f) 156-26+1.170= 1300 (12×13=156 ; 13×2=26 ;13×90=1.170 )

Explicatie :

Mereu se fac imultirile sau impartirile înainte de a rezolva adunarile sau scaderile. Dar daca este de exemplu o imultire o impartire.si o adunare ele se rezolva im ordinea operatiei