试题 试卷
题型:填空题 题类:常考题 难易度:困难
山东省菏泽市开发区2020-2021学年四年级下学期数学期中试卷
9×9+1910×10
99×99+199100×100
999×999+19991000×1000
9999×9999+19999 ×
1﹣ =
= {#blank#}1{#/blank#}
= {#blank#}2{#/blank#}
= {#blank#}3{#/blank#}
用你发现的规律计算下面这道题.={#blank#}4{#/blank#}
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