123-45-67+89
12 + 34 + 56 + 78 + 123 + 99 + 322 + 199 = ?
12 x 45 x 67 x 89 x 0 = ?
12 : 4 : 3 x 9 : 3 x 1259 = ?
12 + 34 + 56 + 78 + 123 + 99 + 322 + 199 = 1223
12 x 45 x 67 x 89 x 0 = 0
12 : 4 : 3 x 9 : 3 x 1259 = 3777
Tk nha
Với các số 123 45 67 89 hãy điền dấu cộng hoặc dấu trừ vào để có kết quả bằng 100
Tính giá trị biểu thức:
a)23+45+67+89
b)345-123+700+8
c)7x8x9x10+34678:0,5
d)9837266-1234567+20110x5
e)(34+214)x(456-135)
a,23+45+67+89
=68+67+89
=135+89
=224
b,345-123+700+8
=222+700+8
=922+8
=930
c,7x8x9x10+345678:0,5
=5040+691356
=696396
23+45+34+67+89+14+67+69+34=
123+67+[34.567.+4{45+45}]=?
=200 + [34.567.4{45+45}]
=200 + 77112.(90)
=200 + 6940080
= 6940280
\(\frac{123}{123-45}-\frac{45}{67+34}=?\)
\(\frac{123}{123-45}-\frac{45}{67+34}=\frac{123}{78}-\frac{45}{101}=\frac{2971}{2626}\)
123123−45−4567+34=12378−45101=29712626123123−45−4567+34=12378−45101=29712626
3×5+2+3+45+67+89=
3x 5 + 2 + 3 + 45 + 67 + 89
= 15 + 2 + 3 + 45 + 67 + 89
= (15 + 45) + (3 + 67) + (2 + 89)
= 60 + 70 + 91
= 130 + 91
= 221
Đố cô biết:99999999999999999999999999999999999999999999999999999999999£9999999999999999999999999999999999999999999891234444340877778€775757758668686868688686866868686886868686686868688668688686866868866886866886868686868668688668868686×88888888888803764836£37847738677277674864886846364748447=?Bao nhiêu
256, 23 + 12, 56 =
56, 23 + 12, 45 =
89, 67 - 23, 45 =
1, 23 + 34, 67
19, 56 + 45, 65 =
45+66+89+90=?
44+67+134+55=?
45+66+89+90=290
44+67+134+55=300