计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*
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计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*3] 3又1/5-2/3+1又1/6 47.6*48
计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*3] 3又1/5-2/3+1又1/6 47.6*482+4.76*3570+476*16.1 420-(125-1000/8) 2又1/4+3.27+1又1/4+6.73 19又1/4-4又2/9-11又7/9 [1.9+9/19*(4.8-4又4/5)]/(2又9/10-1.9) 5/1/4*8*1/2 (4/7+1又1/9+3又3/5)/(5/9+1又4/5+2/7) 填空题2千米50米=()千米=()米 除数是5,商是8,余数是3,被除数是() 把50缩小()倍是0.05 一台拖拉机a小时耕地b公顷,平均每小时耕地的公顷数用式子表示是()
计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*3] 3又1/5-2/3+1又1/6 47.6*482+4.76*3570+476*16.1 420-(125-1000/8) 2又1/4+3.27+1又1/4+6.73 19又1/4-4又2/9-11又7/9 [1.9+9/19*(4.8-4又4/5)]/(2又9/10-1.9) 5/1/4*8*1/2 (4/7+1又1/9+3又3/5)/(5/9+1又4/5+2/7) 填空题2千米50米=()千米=()米 除数是5,商是8,余数是3,被除数是() 把50缩小()倍是0.05 一台拖拉机a小时耕地b公顷,平均每小时耕地的公顷数用式子表示是()
![计算题.(672/8+74)*8 12*(5/6-2/3+1/2) 0.125*6*8 35/[(1又5/6-2/3)*](/uploads/image/z/5675020-52-0.jpg?t=%E8%AE%A1%E7%AE%97%E9%A2%98.%EF%BC%88672%2F8%2B74%EF%BC%89%2A8+12%2A%EF%BC%885%2F6-2%2F3%2B1%2F2%EF%BC%89+0.125%2A6%2A8+35%2F%5B%281%E5%8F%885%2F6-2%2F3%EF%BC%89%2A)
填空题2千米50米=(2.05)千米=(2050)米 除数是5,商是8,余数是3,被除数是(8×5+3=43) 把50缩小(1000)倍是0.05 一台拖拉机a小时耕地b公顷,平均每小时耕地的公顷数用式子表示是(b÷a )
(672/8+74)*8=(672/8)*8+74*8=672+592=1264
12*(5/6-2/3+1/2=12*(5/6)-12*(2/3)+12*(1/2)=10-8+6=8
0.125*6*8 =0.125*8*6=1*6=6
35/[(1又5/6-2/3)*3]=35/[11/6-4/6]=35/﹙5/6﹚=42
3又1/5-2/3+1又1/6 =3+1/5-(4/6+7/6)=3+1/5+1/2=3+7/10=3又7/10
47.6*482+4.76*3570+476*16.1 =476*(48.2+35.7+16.1)=476*100=47600
420-(125-1000/8)=420-(125-125)=420-0=420
2又1/4+3.27+1又1/4+6.73 =( 2又1/4+1又1/4)+(3.27+6.73 )=3又1/2+10=13又1/2
19又1/4-4又2/9-11又7/9=19又1/4-(4又2/9+11又7/9)=19又1/4-16=13又1/4
[1.9+9/19*(4.8-4又4/5)]/(2又9/10-1.9)=[1.9+9/19*﹙4.8-4.8﹚]/﹙2.9--1.9﹚
=[1.9+9/19*0]/﹙2.9-1.9﹚=1.9/1=1.9
5/1/4*8*1/2 =5/﹙1/4*1/2*8﹚=5/﹙1/8*8﹚=5/1=5
(4/7+1又1/9+3又3/5)/(5/9+1又4/5+2/7) =﹙4/7+10/9+18/5﹚/﹙5/9+9/5+2/7﹚
=2*﹙2/7+5/9+9/5﹚/﹙2/7+5/9+9/5﹚=2
(672/8+74)*8=(672/8)*8+74*8=672+592=1264
12*(5/6-2/3+1/2=12*(5/6)-12*(2/3)+12*(1/2)=10-8+6=8
0.125*6*8 =0.125*8*6=1*6=6
35/[(1又5/6-2/3)*3]=35/[11/6-4/6]=35/﹙5/6﹚=42
3又1/5-2/3+1又1/6 =3+1/5-(4/6+7/6)=3+1/5+1/2=3+7/10=3又7/10
47.6*482+4.76*3570+476*16.1 =476*(48.2+35.7+16.1)=476*100=47600
420-(125-1000/8)=420-(125-125)=420-0=420
2又1/4+3.27+1又1/4+6.73 =( 2又1/4+1又1/4)+(3.27+6.73 )=3又1/2+10=13又1/2
19又1/4-4又2/9-11又7/9=19又1/4-(4又2/9+11又7/9)=19又1/4-16=13又1/4
[1.9+9/19*(4.8-4又4/5)]/(2又9/10-1.9)=[1.9+9/19*﹙4.8-4.8﹚]/﹙2.9--1.9﹚
=[1.9+9/19*0]/﹙2.9-1.9﹚=1.9/1=1.9
5/1/4*8*1/2 =5/﹙1/4*1/2*8﹚=5/﹙1/8*8﹚=5/1=5
(4/7+1又1/9+3又3/5)/(5/9+1又4/5+2/7) =﹙4/7+10/9+18/5﹚/﹙5/9+9/5+2/7﹚
=2*﹙2/7+5/9+9/5﹚/﹙2/7+5/9+9/5﹚=2
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