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题型:填空题 题类:常考题 难易度:容易
万以内加、减法口算 2827 10
7050+700=
50+30= 17+30= 48-7= 30+26= 90-80=
10+78= 38-20= 32+7= 4+20= 70+6=
67-50= 25-3= 4+25= 68-60= 36-6=
99-6= 67+2= 87-7= 96-60= 32+50=
32+5= 5+71= 29-5= 49-4= 5+32=
50+6= 62-7= 7+21= 20+25= 87-52=
30{#blank#}1{#/blank#}50-20 76{#blank#}2{#/blank#}67 46{#blank#}3{#/blank#}27+9 40-8{#blank#}4{#/blank#}24+8
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