3.4－1.4= 7.82－7.2= 2.19＋9.1=
10.1－0.89= 0.68＋0.42= 8.1－5.1=
0.728－0.24= 0.8＋0.18= 0.89－0.25=
1－0.98= 0.048＋0.52= 5×400=
19.9+11.1= 187÷1000= 1+3.89=
0.081×10= 75÷10= 0.96÷0.8=
0.8×7＝ 1.5×7＝ 1.32×8＝
0.7×8＝ 10.3×2＝ 5×0.6＝
0.9×0.3＝ 3.5×0.2＝ 2.01×0＝
10×0.05＝ 0.13×7＝ 0.21×100＝
7200÷800= 0.17+0.6= 0.83-0.6=
17×300= 0.98-0.09= 0.2+0.78=
600×700= 10.2+0.02= 0.15+0.7=
670+250= 10.2+0.2= 9.2-6=
8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8=
380-290= 0.35+0.5= 0.35+0.63=
3500÷70= 3.1+3= 3.8+0.38=
7500÷250= 3.8+1= 0.95-0.05=
450+780= 3.1+0.3= 3+0.3= 3.4－1.4= 7.82－7.2= 2.19＋9.1=
10.1－0.89= 0.68＋0.42= 8.1－5.1=
0.728－0.24= 0.8＋0.18= 0.89－0.25=
1－0.98= 0.048＋0.52= 5×400=
19.9+11.1= 187÷1000= 1+3.89=
0.081×10= 75÷10= 0.96÷0.8=
0.8×7＝ 1.5×7＝ 1.32×8＝
0.7×8＝ 10.3×2＝ 5×0.6＝
0.9×0.3＝ 3.5×0.2＝ 2.01×0＝
10×0.05＝ 0.13×7＝ 0.21×100＝
7200÷800= 0.17+0.6= 0.83-0.6=
17×300= 0.98-0.09= 0.2+0.78=
600×700= 10.2+0.02= 0.15+0.7=
670+250= 10.2+0.2= 9.2-6=
8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8=
380-290= 0.35+0.5= 0.35+0.63=
3500÷70= 3.1+3= 3.8+0.38=
7500÷250= 3.8+1= 0.95-0.05=
450+780= 3.1+0.3= 3+0.3=