2.18×0.722.18 36×1.536 17.2×0.383.8×1.72
10.01+0.110.01×0.1 0.5米5厘米 0.89×4.94.9×1.01
0.68+0.08= 2.28-0.28= 3.6+5.8= 10.9-9.7=
0.06×100= 0.9×0.5= 3.21×3= 12.5×0.8=