无
*注意事项:
7.9×0.87.9 2.1÷1.22.1 0.88÷0.40.88
4.25×1.14.25 1.666 4÷50.8
0.5×0.1= 2.1÷0.7= 3.15+6.85= 2.5×4=
3.16×0= 3.6÷0.6= 7.68-2.68= 0.99+0.01=
①6.3×101
②21×2.5×0 .4
③4. 64×2.3+5.36×2.3
④3.5×99
⑤5.35+8.9+4.65
⑥0.8×0.25×0.4×12.5
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