试题 试卷
题型:解决问题 题类:常考题 难易度:困难
两位数减整十数(不退位)995(10题)
20+7={#blank#}1{#/blank#}
6+80={#blank#}2{#/blank#}
65-5={#blank#}3{#/blank#}
80-30={#blank#}4{#/blank#}
{#blank#}1{#/blank#} +30=80
60+{#blank#}2{#/blank#}=68
56-{#blank#}3{#/blank#}=50
50–30= 60–40= 40–40= 10+20=
50+50= 60–30= 40+50= 80–30=
100–20= 60+20= 40+30= 40–10=
50+10= 60–10= 40–20= 10+50=
50–50= 20+60= 70+20= 70–40=
30+20= 90–80= 20–20= 10+80=
试题篮