10.眼明手快
0 159040 159048 159054 159058 159064 159066 159070 159076 159078 159084 159090 159094 159096 159100 159106 159108 159114 159118 159120 159124 159126 159130 159132 159134 159135 159136 159138 159139 159140 159142 159144 159148 159150 159154 159156 159160 159166 159168 159174 159178 159180 159184 159190 159196 159198 159204 159208 159210 159216 159220 159226 159234 199269
2.15×10= | 100×0.23= | 9.3×0.3= | 7-6.38= |
2.8×0.5= | 5.6÷7= | 0.3÷3= | 0.7×0.2÷0.8×0= |