脱式计算,能简算的要简算
9.81×0.1+0.5×98.1+0.049×981 2÷[(2﹣1.2)×+0.05]
100﹣32×0.125×0.25 [1﹣(﹣)]×.
直接写出得数
0.9+99×0.9 ×2÷×2 36×25% 1.25×3.2×8 +0.75
( +)× 4.1×10.1 390×2%× 10÷10% +0.6+30%
直接写出得数:
24.06+0.4= = ()×30= ×25= =
÷6= = 12.5×32×2.5= 5﹣= 2.8×25+12×2.5=
试题篮
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