①2.11÷8÷0.125 ②54×0.15 ③50-21.36÷0.8 ④2.37×4.7+2.37×5.3
①2.35×1.2= ②5.61÷6.1≈(得数保留2位小数)
5.6÷0.8=
3.5×0.4=
7.5÷0.15=
39÷1.3=
12-2.5=
3.4÷0.01=
8×12.5=
0.4×0.7=
0.123×2.5= 12.3×250=