把3.14化成分数即是314\100, 1\3×3.14=1\3×314\100=314\300 然后化简,最后结果是157/150,即是157÷150,四舍五入得出结果是1.05
1/3×3.14=1.04666……≈1.05用计算器算吧、、
1/3*3.14=3.14/3
3/3=1
0.14/3=0.04余0.02
0.02/3=0.006666
结果=1+0.04+0.00666=1.046666666
1/3x3.14怎么算?很简单的把3.14化成314/100也就是把1/3x314/100最后约分一下。得数≈1.05
1/3×3.14
=1/3×(3.12+0.02)
=1/3*3.12+1/3*0.02
=1.04+0.0066