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2.15*8的竖式

2.15 × 6.8 = 14.62竖式见图:

今天实在太无聊了哈

2.15×0.8=1.72 2.15 × 0.8 ———— 1.720

14×14÷2+15x40+(8+14)x10÷2 =98+600+22x10÷2 =98+600+110 =698+110 =808 望采纳,谢谢!

130.67

(1)34×15=510, 34×15. 170 34 .510(2)15.4+7.8=23.2, 15.4+ 7.8 .23.2(3)16.7+6.4=23.1, 16.7+ 6.4 .23.1故答案为:510,23.2,23.1.

87x165=14355 8 7 1 6

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