- 1 - 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＝ 0.7×4＝ 0.05×4＝ 4×0.3＝ 430-250= 0.17+0.06= 1.02-0.09= 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= 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= - 2 - 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0 12.5×8＝ 2.3×4＝ 3.25×0＝ 0.4×50＝ 30×0.1＝ 2.6×3＝ 4.1×2＝ 0.35×0.2＝ 7.5×0.1＝ 2.5×2= 0.5×10= 0.6×8= 2.1×2= 2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4= 4.7+2.3= 4.5×2= 6.9－ 2.5= 7.2×0.8= 6×3.4= 0.62－ 0.32= 1.4×0.5= 0.75×100= - 3 - 0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.7×9= 3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－ 3.8= 12.8÷...
