Răspuns :
2,28+1,75= 4,03
12,5-2,51= 9,91
4,02x10^3 = 4020
(1,4-5,2-1,4x0,2)+3,2^2 = ( 1,4 -5,2-0,28) + 10,24 = -4,08 +10,24 =6,16
12,5-2,51= 9,91
4,02x10^3 = 4020
(1,4-5,2-1,4x0,2)+3,2^2 = ( 1,4 -5,2-0,28) + 10,24 = -4,08 +10,24 =6,16
2,28+1,75= 4,03 2,28+
1,75
4,03
12,5-2,51=9,99 12,50-
2,51
9,99
4,02x10³=4,02x1000=4020
(1,4-5,2-1,4x0,2)+3,2²=
(1,4-5,2-0,28)+10,24=
-3,8-0,28+10,24=
-4,08+10,24=6,16
1,75
4,03
12,5-2,51=9,99 12,50-
2,51
9,99
4,02x10³=4,02x1000=4020
(1,4-5,2-1,4x0,2)+3,2²=
(1,4-5,2-0,28)+10,24=
-3,8-0,28+10,24=
-4,08+10,24=6,16