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题型:解决问题 题类:常考题 难易度:普通
一年级 20以内的退位减法764
=
19 {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#}
10-3{#blank#}1{#/blank#}9 14+3{#blank#}2{#/blank#}16 10-6-2{#blank#}3{#/blank#}5
18-5{#blank#}4{#/blank#}15 15-3{#blank#}5{#/blank#}11 10{#blank#}6{#/blank#}9+4-3
13+7=
18-8=
9+9=
14-10=
15-8=
5-0=
3+10=
9+8=
2+8-10=
20-10-7=
17-7+3=
16-4+5=
( )+9=20
4+( )=12
7+( )=16
3+2+( )=10
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