Question

Calculeaza :a)124×32+124×68= b)401×59+401×78-401×37= c)108la a doua -108×58= d)7,9 la a doua+7,9×5,8-7,9×3,7= e) 199 la a doua-198×199+199 = ma puteți ajuta imi trebuie urgent acum​

Answer 1

Răspuns:

a) 124×32+124×68=

=3968+8432=12400

b)401×59+401×78-401×37

=23659+31278-14837=

=40100

c)108²-108×58=

=11664-6264

=5400

d)7,9²+7,9×5,8-7,9×3,7=

=62,41+45,82-29,23=

=79

e)199²-198×199+199=

=39601- 39402+199=

=199+199=

=398

Sper sa iti fie de ajutor!!