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Răspunsuri la întrebare
Răspuns
13.a. (5\5+5\1)+(30\10)=
(1+5)+3=6+3=9
b. (28\4-6)x(7x9-60)=
(7-6)x(63-60)=
1x3=3
(23\-12\3x0)+(7x8-4x4)=
(23-4x0)+(56-16)=
(19x0)+40=0+40=40
(64-24)\4x5-(6x8x1)=
40\4x5-(48x1)=
10x5-48=50-48=2
100\10x0\7+40\5=
10x0\7+8=
0\7+8=0+8=8
c. 23+(8x8+6x6)\10x2=
23+(64+36)\10x2=
23+100\10x2=
23+10x2=23+20=43
(6x8\4-20\5x3+6x7\1)\(18\3\3+32\8)=
(48\4-4x3+42\1)\(6\3+4)=
(12-12+42)\(2+4)=
42\6=7
(8x7+7x7+6x7)-(24\3+80\8+35\7)=
956+49+42)-(8+10+50=
147-23=124
(9X3\3+40\8)\2+899=
(27\3+5)\2+899=(9+5)\2+899=
14\2+899=7+899=906
(64\8\2+3x10\6)x(63\7-24\6)+378=
(8\2+30\6)x(9-4)+378=
(4+5)x5+378=
9x5+378=45+378=423
Explicație pas cu pas: