0.2+2.7= 5.6+4.4= 9.4+0.06=
0.7+0.4= 0.06×100= 0.5－0.45=
10－0.1= 1.8－0.9= 12.6－1.2=
17+0.33= 1.01+0.6= 7－0.05=
9－0.26= 0.83×0.1= 7.8－6.9=
15.3－0.5= 0.55×0.1= 100×0.01=
5.12 - 2.102 38.92+57.8 76.3-18.59 42.69+18.86
47.03–30.04–9.96 102×28 43.5-25.59+6.5-14.41
31×69+31 9.9×54 3.54+1.6-3.54+1.6
（125＋7）×8 3200÷25×4 3.27＋6.4＋2.73＋4.6
25×44 6.45－0.58－1.42 12×（324－285）÷26
5x32x125=20000 39x101=3939 1.37+1+7.63=10 5.6+2.7+4.4=12.7
9.14-1.43-4.57=3.14 77+2.7+2.3+25=107 1.88+2.3+3.7=7.88
51.27-8.66-1.34=41.27 5.17-1.8-.-3.2=0.17 4.02-3.5+0.98=2.5 13.7+0.98+0.02+4.3=19 0.34+0.45=0.79 0.57+0.9=1.47 8-4.6=3.4 0.6-0.37=0.23 4.9+9.8=14.7 39.5+98.8=138.
