超全的100以内竖式计算，加法减法都有，每天1页，彻底解决竖式计算难题

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宫咱沫3376列竖式计算.①2.38*1.5=②16.2÷0.45= -
庞泊飞18818907741 ______[答案] ①2.38*1.5=3.57 ②16.2÷0.45=36

宫咱沫3376根据2.7x3.8=10.26写两道除法算式是( )和( ). -
庞泊飞18818907741 ______ 2.7x3.8=10.26 10.26/2.7=3.8 10.26/3.8=2.7 如有帮助请采纳, 如对本题有疑问可追问,Good luck!

宫咱沫3376近似数2.7x10³是精确到 -
庞泊飞18818907741 ______ 答案:精确到百位解题:根据四舍五入规则精确位是看数字的最后一位,2.7的最后一位是7,我们把2.7x10³换算成常规计数法是2700,那么原来的7是百位.就是精确到百位.

宫咱沫33762.8*5.4+ 2.7*4.4简便计算 -
庞泊飞18818907741 ______ 2.8*5.4+ 2.7*4.4简便计算=5.6x2.7+2.7x4.4=(5.6+4.4)x2.7=10x2.7=27

宫咱沫3376竖式计算:(带★的商用循环小数)★23÷3.3          3.5*2.38              4.832÷1.6              6.7*1.... -
庞泊飞18818907741 ______[答案] ★23÷3.3=6. • 9 • 6 3.5*2.38=8.33 4.832÷1.6=3.02 6.7*1.08=7.236

宫咱沫3376脱式计算能简算的要简算4.8x6.3+2.7x4.8+4.8 -
庞泊飞18818907741 ______[答案] 4.8x6.3+2.7x4.8+4.8 =4.8x(6.3+2.7+1) =4.8x10 =48

宫咱沫33762.7x10.2用简便计算等于多少 -
庞泊飞18818907741 ______[答案] 2.7x10.2 =2.7x(10+0.2) =27+0.54 =27.54

宫咱沫33762.7X=2.7X - 78.2这过分方程怎么做解方程要完整正确 -
庞泊飞18818907741 ______[答案] 2.7X=2.7X-78.2 0x=-78.2 方程无解

宫咱沫33762.7X4.8+2.7X5.2= 905X99+905= 0.7+3.9+4.3+6.1= -
庞泊飞18818907741 ______[答案] 2.7X4.8+2.7X5.2=2.7X(4.8+5.2)=2.7X10=27 905X99+905=905X(99+1)=905X100=90500 0.7+3.9+4.3+6.1=(0.7+4.3)+(3.9+6.1)=5+10=15

宫咱沫3376一个空心铝球质量为27克,其空心部分注满酒精后,总质量为43克,求铝球的体积?P铝=2.7X10立方千克/立方米,P酒精=0.8X10立方千克/立方米 -
庞泊飞18818907741 ______[答案] 铝球中铝的体积: V铝=m铝/ρ铝=0.027kg/2700kg/m³=0.00001m³ 空心部分的体积就是酒精的体积: V空=V酒=m酒/ρ酒=(0.043kg-0.027kg)/800kg/m³=0.00002m³ 铝球的体积:V球=V铝+V空=0.00001m³+0.00002m³=0.00003m³ 答:...