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题型:解决问题 题类:常考题 难易度:容易
两位数减整十数(不退位)998(10题)
28-8+5={#blank#}1{#/blank#}
28+30-8={#blank#}2{#/blank#}
76-70+40={#blank#}3{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
72-9= 20+39= 6+80=
47-6= 59-3= 18+5-3=
46-30= 82-7= 70-4-60=
70-40= 65+8= 29-9+50=
114+7 15-79+2 80-2090-20
12-64+6 5056-6 76-667-7
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