试题 试卷
题型:判断题 题类:常考题 难易度:普通
加法的运算定律4830 10
82+565+208+35
=82+208+565+35
=300+600
=900
①805﹣397
②432﹣55+68﹣135
③720÷45
④102×15
⑤125×72
⑥57×63﹣57+38×57.
我这样算
①869+242+758
=1111+758
=1869
②869+242+758
=869+(242+758)
=869+1000
(75+68)+42=75+({#blank#}1{#/blank#}+{#blank#}2{#/blank#})
①359-432÷16×13
②25.72-(5.72+4.6)
③76×101-76
④4.87-1.66+5.13-2.34
⑤45×[720÷(60-12)]
⑥125×64
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