2.直接写出得数.
0.25+$\frac{3}{4}$= | 6.54-5.4= | 9×9%= | 2÷9= |
$\frac{2}{7}$×$\frac{5}{7}$= | 24×($\frac{7}{12}$+$\frac{1}{8}$) | 7-$\frac{1}{7}$= | 2412÷60≈ |
19.直接写得数
0 158872 158880 158886 158890 158896 158898 158902 158908 158910 158916 158922 158926 158928 158932 158938 158940 158946 158950 158952 158956 158958 158962 158964 158966 158967 158968 158970 158971 158972 158974 158976 158980 158982 158986 158988 158992 158998 159000 159006 159010 159012 159016 159022 159028 159030 159036 159040 159042 159048 159052 159058 159066 199269
1800-799= | 560÷8×7= | 6.4+9.6-12= |
0.3×0.3÷0.3×0.3= | 8×125%= | (1-$\frac{7}{8}$)×16= |
$\frac{1}{3}$×24÷$\frac{1}{3}$= | $\frac{2}{5}$+$\frac{2}{5}$ | $\frac{3}{4}×\frac{2}{5}÷\frac{3}{4}×\frac{2}{5}$= |