2.直接写出得数.
0 158004 158012 158018 158022 158028 158030 158034 158040 158042 158048 158054 158058 158060 158064 158070 158072 158078 158082 158084 158088 158090 158094 158096 158098 158099 158100 158102 158103 158104 158106 158108 158112 158114 158118 158120 158124 158130 158132 158138 158142 158144 158148 158154 158160 158162 158168 158172 158174 158180 158184 158190 158198 199269
0.54-0.4= | 2.6÷0.26= | 524+476= |
$\frac{1}{5}$+$\frac{4}{5}$= | 28×$\frac{5}{7}$= | $\frac{1}{3}$+$\frac{1}{3}$÷$\frac{1}{3}$-$\frac{1}{3}$= |