9.计算下面各题.
70+30×3 | 85-85÷5 | 720÷8×9 |
17×(100-88) | (77+63)÷28 | 197-(57-29) |
6.直接写出得数.
14×5= | 25×18×4= | 22÷(1+1×10)= | 600-54-46= |
96÷8= | 120÷5÷4= | 5×8+2÷2= | 38-(27-13)= |
11×70= | 27÷3×8= | 46÷2-15= | 5×9-24÷8= |
54×10= | 5×7-25÷5= | 36×2+15= | 150-(25×4+5)= |
3.脱式计算.
0 159764 159772 159778 159782 159788 159790 159794 159800 159802 159808 159814 159818 159820 159824 159830 159832 159838 159842 159844 159848 159850 159854 159856 159858 159859 159860 159862 159863 159864 159866 159868 159872 159874 159878 159880 159884 159890 159892 159898 159902 159904 159908 159914 159920 159922 159928 159932 159934 159940 159944 159950 159958 199269
735÷15×7 | (704+258)÷37 | 900-600÷30 |
98+6×58 | 18×(537-488) | 635-(125+68) |