89.7×0.375-0.375 104×0.375简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/05 11:52:24
3.7*10.1-0.37=3.7*10.1-3.7*0.1=3.7*(10.1-0.1)=3.7*10=37
5.6×0.375+38×5.4-0.375×0.9,=5.6×0.375+0.375×5.4-0.375×0.9,=(5.6+5.4-0.9)×0.375,=10.1×0.375,=(10+0.1)
0.125+(0.37+2.63)
=375/1000=3/8
0.37/0.25=(0.37×4)÷(0.25×4)=1.48÷1=1.48再问:你4是怎么来的再答:利用商不变的规律被除数和除数同时乘4,商不变
3.65*4.7-36.5*0.37=36.5*0.47-36.5*0.37=36.5*(0.47-0.37)=3.65
1.86*13.7-18.6*0.37=1.86*13.7-1.86*3.7=1.86*(13.7-3.7)=1.86*10=18.6
0.37*99+0.37=0.37*(99+1)=0.37*100=371.23+3.77-0.56-1.44=(1.23+3.77)-(0.56+1.44)=5-2=33.14/0.4/2.5=3.
原式=(0.37+0.29+2)*(0.37+0.29)+(0.37+0.29+2)*0.17-[(2+0.37+0.29)*(0.37+0.29)+0.17*(0.37+0.29)]=(0.37+0
原式=(2.7*5.1-0.37+0.1*5.1)/(2.7*5.1-0.37)=1+0.51/(2.7*5.1-0.37)=1+0.51/13.4=1340/1391
37/100再问:还有0.013转换成分数再答:13/1000
53.7*0.37+5.37*6.3=5.37*3.7+5.37*6.3(这步最关键,第一个数缩小十倍,第二个数扩大十倍)=5.37*(3.7+6.3)=5.37*10=53.7
0.37*0.37+2*0.63*0.37+0.63*0.63=(0.37*0.37+0.63*0.37)+(0.63*0.37+0.63*0.63)=0.37*(0.37+0.63)+0.63*(0
37/100,无法约分
=2.7x3.7+3.7x7.3=(2.7+7.3)x3.7=10x3.7=37再问:这位大师,再问一个问题:一个三位小数,保留两位小数后结果是9.34,这个小数最大是多少?最小呢???谢谢你啦!!!
100分之37
0.37*201-0.37=0.37*(201-1)=0.37*200=74
1.11除以0.37等于3