1.01+0.101= 4.3×0.001= 7.2+104= 2.45+2.65= 5×2.4=
1÷1.25= 1÷0.01﹣1×0.01= 10.5﹣3.5÷0.7= 7.2+2.8÷0.4= 3.74÷2.5≈(得数四舍五入精确到百分位)
①(0.02+28.16÷32)×0.1
②2.6×0.26+8.4×0.26﹣0.26
③0.19+26.05+(4.95+9.81)
④3.2÷[(2﹣0.84÷0.7)×0.2]
⑤1.25×(8+4)×250