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21.Calculează,respectând ordinea efectuării operațiilor :
5×6-36:9+1006=
278+42:6-11×13=
3593-27×25+96:3=


28-9×3+(57-42:2)=
(100-37)×11+63:(101-98)=
8×(286×374)-88:(4+28:7)=​


Răspuns :

5×6-36:9+1006=30-4+1006=26+1006=1032

278+42:6-11×13=278+7-143=285-143=142

3593-27×25+96:3=3593-675+32=3593-707=2886

28-9×3+(57-42:2)=28-27+36=1+36=37

(100-37)×11+63:(101-98)=63x11+21=693+21=714

8×(286×374)-88:(4+28:7)=​8x106260=850080

Sper ca te-am ajutat :)!

Răspuns:

Explicație pas cu pas:

5 × 6 - 36 : 9 + 1006 =1 032

= 30 - 4 + 1006 =

= 26 + 1006 =

= 1 032

________________________

278 + 42 : 6 - 11 × 13 = 142

= 278 + 7 - 143 =

= 285 - 143 =

= 142

____________________

3 593 - 27 × 25 + 96 : 3 = 2 950

= 3 593 - 675 + 32 =

= 2 918 + 32 =

= 2 950

____________________________

28 - 9 × 3 + (57 - 42 : 2 ) = 37

= 28 - 27 + ( 57 - 21 ) =

= 1 + 36 =

=  37

_______________________

(100 - 37) × 11 + 63 : (101 - 98 ) = 714

= 63 × 11 + 63 : 3 =

= 693 + 21 =

= 714

______________________________

8 × (286 × 374) - 88 : (4 + 28 : 7 ) = 855 701

= 8 × 106 964 - 88 : (4 + 4 ) =

= 855 712 - 88 : 8 =

= 855 712 - 11 =

= 855 701