试题 试卷
题型:填空题 题类:常考题 难易度:普通
浙江省杭州市余杭区2020-2021学年四年级上册数学期中试卷
333667×3=1001001
333667×6=2002002
333667×9=3003003
333667×12=4004004
333667×15=
×=700700
②13+23+33=36,(1+2+3)2=36;
③13+23+33+43=100,(1+2+3+4)2=100;
……
通过观察发现:13+23+33+43+53+63={#blank#}1{#/blank#}。(填得数)
0.8+0.88=1.68
0.8+0.88+0.888=2.568
0.8+0.88+0.888+0.8888=3.4568
0.8+0.88+0.888+0.8888+0.88888={#blank#}1{#/blank#}
0.8+0.88+0.888+0.8888+0.88888+0.888888={#blank#}2{#/blank#}
试题篮