试题 试卷
题型:解决问题 题类:常考题 难易度:普通
加法的运算定律4848
(1+0.12+0.23)×(0.12+0.23+0.34)﹣(1+0.12+0.23+0.34)×(0.12+0.23)=
66.6×7.6+334×0.24+13.36×38=
998877+988776+887766+877665+776655+766554+665544+655443=
(1×2×3×4×…×9×10×11)÷(28×27×25×24×22)=
1.23452+0.76552+2.469×0.7655=
165-35-65
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