3.14×1=3.14
3.14×2=6.28
3.14×3=9.42
3.14×4=12.56
3.14×5=15.7
3.14×6=18.84
3.14×7=21.98
3.14×8=25.12
3.14×9=28.26
3.14×10=31.4
3.14×11=34.54
3.14×12=37.68
3.14×13=40.82
3.14×14=43.96
3.14×15=47.1
3.14×16=50.24
加法
相同数位对齐，若和超过10，则向前进1。如：
435
+697
———
1132
3.14×1=3.14
3.14×2=6.28
3.14×3=9.42
3.14×4=12.56
3.14×5=15.7
3.14×6=18.84
3.14×7=21.98
3.14×8=25.12
3.14×9=28.26
3.14×10=31.4
3.14×11=34.54
3.14×12=37.68
3.14×13=40.82
3.14×14=43.96
3.14×15=47.1
3.14×16=50.24
3.14×17=53.38
3.14×18=56.52
3.14×19=59.66
3.14×20=62.8
3.14×21=65.94
3.14×22=69.08
3.14×23=72.22
3.14×24=75.36
3.14×25=78.5
3.14×26=81.64
3.14×27=84.78
3.14×28=87.92
3.14×29=91.06
3.14×30=94.2
3.14×31=97.34
3.14×32=100.48
3.14×33=103.62
3.14×34=106.76
3.14×35=109.9
3.14×36=113.04
3.14×37=116.18
3.14×38=119.32
3.14×39=122.46
3.14×40=125.6
3.14×41=128.74
3.14×42=131.88
3.14×43=135.02
3.14×44=138.16
3.14×45=141.3
3.14×46=144.44
3.14×47=147.58
3.14×48=150.72
3.14×49=153.86
3.14×50=157
3.14ⅹ2=6.28
加油！六年级的精神小伙们
has the time been happening so I'm just trying it to come and go home from school and have the kids for me this morning and will get back from here tomorrow to you can call you later and tell your mom about that and if she's coming over and get it she can come in the morning
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