- ( -27 + 85 ) + ( 157 - 35 + 73 )
= - 112 + ( 122 + 73 )
= - 112 + 195
= 173
= 27-85+157-35+73
= -58+157-35+73
= 99-35+73
=63+73
= 133
k cho mình nha
- ( -27 + 85 ) + ( 157 - 35 + 73 )
= - 112 + ( 122 + 73 )
= - 112 + 195
= 173
= 27-85+157-35+73
= -58+157-35+73
= 99-35+73
=63+73
= 133
k cho mình nha
thuc hien phep tinh
73 . 35 + 27 . 19 - 20 . 73 + 81 . 27 + 85 . 73
a) 23 – 53 : 52 + 12.22 | b) 5[(85 – 35 : 7) : 8 + 90] – 50 |
c) 2.[(7 – 33 : 32) : 22 + 99] – 100 | d) 27 : 22 + 54 : 53 . 24 – 3.25 |
e) (35 . 37) : 310 + 5.24 – 73 : 7 | f) 32.[(52 – 3) : 11] – 24 + 2.103 |
g) (72005 + 72004) : 72004 | h) (57 + 75).(68 + 86).(24 – 42) |
i) (75 + 79).(54 + 56).(33.3 – 92) | j) [(52.23) – 72.2) : 2].6 – 7.25 |
85.(35-27)-35.(85-27)
85.(35-27)-35.(85-27)
Tính nhanh
85.(35-27)-35.(85-27)
Tính nhanh: -(27 - 85) - (73 + 15)
a)85.(35-27)-35.(85-27)
b) 16.(38-12)-38.(16-12)
Tinh hop ly
85.(35-27)-35.(85-27)
77-11.(30+7)