107- { 38 + [ 7.32 -24:6 + ( 9-7)3]} :15
= 107- {38+[ 7.9 - 4 + 23]} :15
=107 - {38 + [ 63 - 4 + 8 ]} :15
=107- { 38 + [ 59 +8 ]}:15
=107- {38 + 67} :15
=107 - 105 : 15
=107 - 7
= 100
Không có gì đâu nhé!!
a) 52.2 – 32.4 b) 58.75 + 58.50 – 58.25
c) 107 – {38 + [7.32 – 24 : 6 + (9 – 7)3]}:15 d) (-23) + 13 + ( - 17) + 57
a) 52.2 – 32.4 b) 58.75 + 58.50 – 58.25
c) 107 – {38 + [7.32 – 24 : 6 + (9 – 7)3]}:15 d) (-23) + 13 + ( - 17) + 57
107-{38+[7.32-24:6+(9-7)3]}:12
giải cho mình đi
Câu 13: (2 đ)Thực hiện tính:
a) 52.2 – 32.4 b) 58.75 + 58.50 – 58.25
c) 107 – {38 + [7.32 – 24 : 6 + (9 – 7)3]}:15 d) (-23) + 13 + ( - 17) + 57
107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15
17) 10 – [(82 – 48).5 + (23.10 + 8)] : 28 - 70
k) 2345 – 1000 : [19 – 2(21 – 18)2 ] l) 128 – [68 + 8(37 – 35)2 ] : 4
m) 568 – {5[143 – (4 – 1)2 ] + 10} : 10
n) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3 ]}:15
o) 307 – [(180 – 160) : 22 + 9] : 2
p) 205 – [1200 – (42 – 2.3)3 ] : 40
q) 177 :[2.(42 – 9) + 32 (15 – 10)]
r) [(25 – 2 2 .3) + (32 .4 + 16)]: 5
s) 125(28 + 72) – 25(32 .4 + 64)
giúp mk
a) 2345 – 1000 : [19 – 2(21 – 18)2] b) 128 – [68 + 8(37 – 35)2] : 4 c) 568 – {5[143 – (4 – 1)2] + 10} : 10 d) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15 e) 307 – [(180 – 160) : 22 + 9] : 2 f) 205 – [1200 – (42 – 2.3)3] : 40 g) 177 :[2.(42 – 9) + 32(15 – 10)] h) [(25 – 22.3) + (32.4 + 16)]: 5 i) 125(28 + 72) – 25(32.4 + 64) j) 500 – {5[409 – (23.3 – 21)2] + 103} : 15 |
Viết số mũ giùm mình ạ!
107-{38-[7x3^2-24:6+(9-7)^3]}:15
107-{38+[7.3^2-24:6+(9-7)^3]}:15
107 - { 38 + [ 7 x 32 - 24 : 6 + ( 9 - 7 )3 ] } : 15
