直接写得数。5.1÷0.01= 1÷1.75= 4.1+4.1÷2= ×5.6=1÷﹣÷1= +﹣+= 2÷10%= ×4÷4×=
2.5×4.4 25×1.25×32
3.35×6.4×2+6.7×3.6 18.7-3.375-6.625
125×(8+0.8+0.08) 45÷〔78-(25+38)
1.3-3.79+9.7-6.21 8×0.4×12.5×2.5
19175÷59+678 36.5×1.4-8.51