25×32×125 = 32×(25+125) = 88×125 = 102×76 = 58×98 =
178×101－178 = 84×36+64×84 = 75×99+2×75 = 83×102－83×2 =
98×199 = 123×18－123×3+85×123 = 50×(34×4)×3 = 25×（24+16）=
178×99+178 = 79×42+79+79×57 = 7300÷25÷4 = 8100÷4÷75 = 16800÷120 =
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
2.33×0.5×4 = 0.65×105= 3.76×0.25＋25.8= 4.8×0.25 =
1.2×2.5＋0.8×2.5= 16.08×0.125= 400.8×7=
2004×0.4 = 3.7×0.125+6.3 = 3.7×0.125+6.3÷0.7= 0.72+9.6÷3.2 =
3.6×0.9+3.6×0.1= 0.25×48 = 0.64×9.9= 1.25×1.7×0.8=
0.125×0.8= 12.5×2.5×32= 4750÷2.5÷4= 7.4×0.28+0.28×2.6=
25×0.32×1.25= 28×101×28.6= 12.5×8.8= 7.8×2.1+78×0.79=
27.8×2.5×0.4=
