简算:
4×0.8×2.5×1.25; 〔(+)÷〕×; 1﹣(﹣)×3;
98+99×98; 4.2﹣1.38+5.8﹣3.62; (+)×.
怎样简便就怎样算.
3280÷16+600 18.75﹣6.2﹣3.8 25×(100+4)
3.75+4.5÷0.18×0.25 25×32×125 (7.6×15+2.4×5)÷126.
计算(能简算的要简算)
32×0.25×12.5= 10÷[﹣(÷+)]= 12.85﹣1.17﹣8.83+1.15=
÷[(+)÷]= 75%×3.6+0.75×+= (20.2×0.4+7.88)÷4.2=
怎样简便就怎样算.
(1)8470﹣104×65
(2)168.1÷(4.3×2﹣0.4)
(3)3.64÷4+4.36×0.25
(4)(﹣)×4×9
(5)1.3﹣3.79+9.7﹣6.21.
试题篮
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