1, according to the sum of numbers written on any two opposite faces is equal to 7, and the sum of numbers on two close faces is equal to 8, then:

The reverse side of cube A, 1 is 6;

The side next to cube b and a is 2; Opposite is 5.

The side next to cube c and b is 3; Opposite is 4.

The antonym of cube e, 4 is 3;

Cube d, the side near e is 5; Opposite is 2;

Cube C, one side near D is 6, and the opposite side is1;

Then cube c is 5 or 2;

2, 354, 157 and 164 appear once? 3,6,7。

What is the number? 367,376,637,673,736,763。 Six possibilities.