预约小初高69元1对1在线体验
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2.8×1.43+0.57= 10-6.06+8.5=
6×0.25×1.8= 144÷3.6+27.2=
0.87×3.16+4.64= 6.8×0.75÷0.5=
13.75÷0.125–2.75= 53+23.4÷7.2=
2.881÷0.43-0.24×3.5= 28-(3.4+1.25×2.4)=
(31.8+3.2×4)÷5= 31.5×4÷(6+3)=
0.64×25×7.8+2.2= 2÷2.5+2.5÷2=
194-64.8÷1.8×0.9= 36.72÷4.25×9.9=
5180-705×6= 24÷2.4-2.5×0.8=