有100根火柴,甲、乙两人轮流取,规定每次可取1~10根火柴,以先取完火柴的人为胜者.如果甲先取,那么谁有必胜策略?
直接写得数.(1)2.8+19= (2)0.24÷6= (3)2.63﹣2= (4)1.25×8=(5)3.2÷1.6= (6)1.2×0.5= (7)7.5×2.5×4= (8)(1.25+0.05)×0.2=
直接写得数 10﹣9.12= 0.7÷3.5= 0.64÷16= 88÷0.88=0.36÷0.12= 0.9×1.1= 8×0.45= 2.4×7÷2.4×7=
2.7+4.6=0 6﹣0.06= 10﹣4.56= 2.4×0.3=1.4÷0.01= 0.51÷0.3= 5.6÷(3.74﹣3.73)= 14.09﹣7.54﹣6.46=
看谁算得快.0.55+0.45= 7﹣1.036= 50×0.25= 0.25×400=1.3+0.13= 6.3×101= 1.5+2.26+0.5= 0.8+0.2﹣0.8+0.2=(5.25﹣4)×8= 4×0.37×0.25=
直接写出得数.0.2×8= 12.5×8= 6.2+0.04= 2.5×0.4=0.6×0.7= 6﹣0.7= 6.4+4.6= 0.04×0.3=0.5×2.4= 2.1﹣2.01= 11.5÷5= 0.4÷8=