试题 试卷
题型:计算题 题类:常考题 难易度:困难
整十数加、减整十数1045(10题)
30+42={#blank#}1{#/blank#}
6+51={#blank#}2{#/blank#}
47+30={#blank#}3{#/blank#}
7+42={#blank#}4{#/blank#}
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
{#blank#}3{#/blank#}
{#blank#}4{#/blank#}
20+7 = 30-20 = 90+9= 60-30 = 24+6 =
51+8= 7+83= 85-5 = 90-70= 45+20=
96-7 = 65+20= 39+8= 4+65=
18+50-7= 80-60+35= 90-(60+30)= 63-(76-70)=
试题篮