Explicație pas cu pas:
a) 10×100-(864:2+336:3+1296:4)=
864:2=432
8
=6
6
=4
4
=
336:3=112
3
=3
3
=6
6
=
1296 :4= 324
12
==9
8
16
16
00
a) 10×100-(864:2+336:3+1296:4)=
1000- ( 432+112+324)=
1000 - 868= 132
b) (777:7+464:2-969:3+888:4):2-194:2=
777:7=111
7
=7
7
=7
7
=
464:2= 232
4
= 6
6
= 4
4
=
969:3= 323
9
= 6
6
= 9
9
=
888: 4= 222
8
=8
8
=8
8
=
194: 2= 97
18
=14
14
= =
(777:7+464:2-969:3+888:4):2-194:2=
( 111 + 232- 323+ 222): 2- 97=
(343-323+222): 2- 97=
( 20+222):2-97=
242:2-97=
121 - 97= 24
242:2= 121
2
= 4
4
=2
2
=