Question

[vu tien thanh]

1: 123,78-(145-23)?

2: 4390*98-(7767,78-788)?

Answer 1

[Noo Phuoc Thinh]

1:123.78 - (145 - 23)

 = 123.78 - 122

 = 123.78 - 122

 = 1.78

2: 4390 x 98 - (7767.78 - 788)

 = 4390 x 98 - 6979.78

 = 430220 - 6976.78

 = 423243.22

Answer 2

[Đinh Thùy Linh]

1./ 123,78-(145-23) = 123,78-122=1,78

2./ 4390*98-(7767,78-788)=430220 - 6979,78 = 423240,22