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题型:解决问题 题类:常考题 难易度:普通
人教版数学一年级下册-第六单元第一课时 整十数加、减整十数同步练习
30+10-20={#blank#}1{#/blank#}
50-20+40={#blank#}2{#/blank#}
30+6-30={#blank#}3{#/blank#}
80-50-20={#blank#}4{#/blank#}
60+30+10={#blank#}5{#/blank#}
48-8+40={#blank#}6{#/blank#}
55-5=5( ) 1+10=11( )
90-20=7( ) 10+3=40( )
46-6=4( ) 4+60=100( )
40+9 = 10 +30 = 59 – 7 = 85 – 80 =
60+40 = 26 +10 = 88 – 8 = 50 +26 =
72 + 27 = 38 – 27 = 54 +25 = 73 – 23 =
100 – 30 = 38 – 35 = 60 + 15 = 16 + 40 =
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