3.5×0.993.5 8.28.2×1.01 2.702.07
4米5厘米4.5米 9分0.9时 0.23×1000.23÷100
5-1.9= 8.3-2.3= 0.27+0.6= 2.38+2.62=
9÷1000= 0.2×100= 2.5×0= 1.25×8=
①9.34+6.26=
②27.9-12.27=
③28.36+12.8=
④0.28×9.5=
⑤5.09×0.23=
⑥4.8×9.8=