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4.13《 练习十》课件+课时练(含答案)
展开4.13 练习十
1.在里填上“>”“<”或“=”。
90-603 45+1278-21 60+776-6
67-3048+1 59-2132+6 53+16 90-20
2.连一连。
3.用竖式计算。
44+23= 78-12= 45+32= 89-36=
56+32= 67-46= 95-43= 62+15=
参考答案
1.> = < < = <
2.提示:21+15=36,90-40=50,4+45=49,30+6=36,15+34=49,70-20=50
(连线略)。
3.67 66 77 53 88 21 52 77
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