(1)12.3÷10=

(2)6.53÷100=

(3)12÷1000=

(4)0.8÷10=

(5)2.3÷100=

(6)55.8÷1000=

(7)0.04÷10=

(8)0.16÷100=

(1)10×0.35=

(2)100×0.26=

(3)1000×7.8=

(4)5.42×10=

(5)1.8×100=

(6)0.006×1000=

（1）46×12.7=

（2）0.46×127=

（3）4.6×127=

（4）46×0.127=

(1)0.6＋0.3=

(2)0.95－0.5=

(3)5.6＋4.4=

(4)4.5－0.9=

(5)0.13＋0.67=

(6)2－0.8=

(7)0.35－0.28=

(8)0.7＋0.51=

(1)5.2＋3.5=

(2)0.61－0.3=

(3)0.36＋0.64=

(4)6.6－2.4=

(5)3.4＋0.8=

(6)1－0.7=

(7)2.1－0.9=

(8)0.54－0.5=

(1)2.6－0.8=

(2)0.32＋0.21=

(3)1－0.42=

(4)0.3＋0.8=

(5)0.8＋0.35=

(6)7.2＋2.8=

(7)0.58－0.41=

(8)0.86－0.6=

(1)0.2＋0.6=

(2)7.6－3.4=

(3)5.4＋1.6=

(4)8.2－0.7=

(5)0.56＋0.44=

(6)1－0.65=

(7)0.6＋0.26=

(8)0.8－0.08=

(1)7.2＋2.8=

(2)1－0.43=

(3)0.83＋0.17=

(4)5.6－0.8=

(5)0.57＋0.43=

(6)9.5－1.5=

(1)2.6＋5.8=

(2)0.81－0.07=

(3)1.9－0.7=

(4)6.6＋1.4=

(5)3.9－2=

(6)7.3＋0.7=

(1)0.7＋0.4=

(2)0.81－0.21=

(3)2.6＋8=

(4)4.9－0.7=

(5)5.3＋0.7=

(6)0.86－0.4=