Question

1)478×954×[10-5×(4×7-2×13 )]
2)1+2+3+...+1199+1200
3)25×34-25×33
4)(2 la puterea 5 ×3)÷24
5)12+22+32+42=
6)2 /15+29/15+8/=
7)12 1/2+23 7/2
8)paranteză foarte mare (7/15-4/15)-2/15=

●●ATENTIE=/ 《 inseamna ex:2 pe 15


HELPP!!!!!⚠⚠⚠⚠✔✔❗❗❗

Answer 1

1)478x954x[10-5x(28-26)]=
478x954x(10-5x2)=
478x954x0=0

b)1+2+...1200=
1200x1201:2=720600

c)25x34-25x33=
850-825=25

d)(2⁵x3):24=
32x3:24=
96:24=4

e)12+22+32+42=108

f)2/15+29/18+8/15=39/15

7 nu inteleg

8)(7/15-4/15)-2/15=
3/15-2/15=1/15