题型:单选题 题类:常考题 难易度:容易
两位数减一位数(退位)1134(10题)
58-5{#blank#}1{#/blank#}58-50 | 14-6{#blank#}2{#/blank#}12-6 | 96-7{#blank#}3{#/blank#}6+70 |
17-9{#blank#}4{#/blank#}16-8 | 73+8+2{#blank#}5{#/blank#}73+(8+2) | 86-(50-20){#blank#}6{#/blank#}86-50-20 |
①63+5= | ②20+7= | ③58-8= | ④72-40= |
⑤15-9= | ⑥36+8= | ⑦20+30= | ⑧30-5 = |
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