计算,能简算的要简算.
①6.21﹣3.8+2.2 ②6.03+3.7+2.97
③17.43﹣6.57﹣2.43 ④20.47﹣(1.47+6.8)
⑤13.26+4.71+3.47+5.29 ⑥22.74+8.68﹣13.74.
计算,能简算的要简算.
①6.21﹣3.8+2.2 ②6.03+3.7+2.97
③17.43﹣6.57﹣2.43 ④20.47﹣(1.47+6.8)
⑤13.26+4.71+3.47+5.29 ⑥22.74+8.68﹣13.74.
试题篮
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