题目内容
计算下面各题。(能简算的要简算)
|
(1)原式=×9×17+×9×17 =6+ = |
(2)原式=2×+× =+ = |
(3)原式=(33-1)× =13- =12 |
(4)原式=(3+1+3)-(÷7×) =7-× =6 |
(5)原式=(-)÷ =÷ = 4 |
(6)原式=÷[×] =÷ =2 |
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题目内容
计算下面各题。(能简算的要简算)
|
(1)原式=×9×17+×9×17 =6+ = |
(2)原式=2×+× =+ = |
(3)原式=(33-1)× =13- =12 |
(4)原式=(3+1+3)-(÷7×) =7-× =6 |
(5)原式=(-)÷ =÷ = 4 |
(6)原式=÷[×] =÷ =2 |