0. 3<0.75 . 49<6.94
6.04<6.047 1.6<1.49
8.2<8.3 5.12<5.191
270÷[5×(21-15)] 359-432÷16×13 (350-192÷4)×12
9×56×125 101×2023-2023 136×17+65×17-17