1513 ﹣( 213 + 57 )=____;
2.7×3.4+3.4×6.3+3.4=____;
12.5×2.5×32=____;
101×98=____;
(2.4+2.4÷0.6)× 12 =____;
89 ÷ 79 × 34 =____;
3﹣( 34 ﹣ 58 )× 423 =____;
815 ÷( 23 + 12 )÷ 74 =____.