“What contradictions between OT and NT? please let me now”
It is so simple. It took me around 5 seconds on internet:
Contradiction OT/NT (and within):

PSA 145:9 The LORD is good to all: and his tender mercies are over all his works.
JER 13:14 And I will dash them one against another, even the fathers and the sons together, saith the LORD: I will not pity, nor spare, nor have mercy, but destroy them.

Elijah went up to heaven. 2 Ki.2:11.
A man, known to Paul, went up to heaven. 2 Cor.12:2-4.
Enoch went "to heaven". Gen.5:24; Heb.11:5.
Only "Jesus" ever went up to heaven. Jn.3:13.

It was impossible for God and Judah together to defeat the enemy. Jud.1:19.
Nothing is impossible for God. Lk.1:37.

Sacrifices were to take away sin. Num.15:24-28.
"Jesus" sacrifice took away sins. Heb.10:12; Heb.9:26-28.
Sacrifices never take away sin. Heb.10:11

Two dead persons were raised by Jesus. Mt.9:18-25; Jn.11:38-44.
Dead children were raised before the time of Jesus. 1 Ki. 17:17-23; 2 Ki.4:32-37.
Jesus was the first to be raised from the dead. Acts 26:23.

My dear friend TR (AKA Total Realism), you should read more before asking things.