꼶²ѧϰ
һ㣺
2.7+6.3= 0.58+3.5= 6-2.2= 5.6-2.8= 2512= 6.68-2.1= 6.38+5.62= 3.92-0.9= 0.2510= 1002.003= 6210= 123.5100= 9.025100= 9-2.3-3.7= 43125= 28054= 65+370= 5.5+2.81+4.5= 254 257 ʽ
12.85+23.6 45.27-32.56 7.883.25
ʽ 2800 100789 947599764 36(1527623)
ġⷽ
8x-5x=27 23+(x+1)=32 2x+8*3=26
塢
1һҴÿСʱ12ǧף42СʱĿĵءÿСʱ18ǧףĿĵҪСʱ
2ij53IJ117ijз̽⣩
꼶²ѧϰ
һ㣺
3.7+7.3= 0.56+3.4= 6-3.22= 5.4-4.5= 2528= 6.88-2.8= 0.91+0.09= 3.92-0.2= 0.22510= 1002.03= 61.510= 6.5100= 0.005100= 16-5.3-4.7= 42.725= 36055= 6.8+580= 7.5+5.52+2.5= 50-255 4282.5 ʽ
8.88*37 64.5-32.9 4.37+2.8
ʽ (3921)(3966) 5071363498 133331
ġⷽ
x2+1.8=3.9 32x-7x-10x=45 (x+3) 2=6
塢
1һװƻ660·Ѿ5죬ƽÿ75סʣµҪ3꣬ƽÿҪף
2СһЩӣаõֻǺõ3ñȺö12ֻúͺøжֻз̽⣩
꼶²ѧϰ
һ㣺
9.2+18.8= 0.98+3.2= 55-25.5= 9.7-7.9= 2524= 6.78-2.91= 6.43+5.57= 9.92-8.19= 0.2536= 10005.003= 630.9= 123.55= 12.65+3.35= 5.6-3.21= 126 125 33.7+77.3= 15.6+13.4= 63-6.3= 94-14.9= ʽ
69.417 62.37-21.48 2.356+21.45
ʽ
5121+795 456+356 675-375
ġⷽ
42x+28x=140 78y+2y=160 88-4x=80-2x
塢 1꼶Ҫ55֦ԶǦʽѧ30ԪԶǦ10Ԫһһ֦ԶǦʹԪ
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꼶²ѧϰ
һ㣺
0.560.46= 425= 9.56= 06= 71030= 7.80.7= 80010= 4200600= 4220= 1.30.8= 63090= 7549= 60.37= 54006= 6804= 9015= 1.81.6= 1205= 606= 2.730.273= ʽ
30.34.6 6.5+2.24 32.5-15.75
ʽ
80040-40040 600(12060) (26+14)70
ġⷽ
4.2*3-3x=5.1 78-5y=28 12*(y-1)=24
塢
129.5úһ4ֵ3ΣʣµһΪ2.5ֵĻˡҪ˼βꣿ
2̫һҪ365죬ˮ̫һõʱ413졣ˮ̫һõʱǶ죿