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题型:填空题 题类:常考题 难易度:容易
两位数减整十数(不退位)996(10题)
57-30=
85-70=
43+5-30=
40+60={#blank#}2{#/blank#}
40+80={#blank#}3{#/blank#}
70+50={#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)=
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