直接写得数.0.7×8=4.52×0.25×4=3.2÷0.08=2.5÷0.5×0.5=0.3×0.9=3.72-0.98=2.95+0.57-0.57=1÷0.25
直接写得数.0.7×8=4.52×0.25×4=3.2÷0.08=2.5÷0.5×0.5=0.3×0.9=3.72-0.98=2.95+0.57-0.57=1÷0.25=...
直接写得数.0.7×8=4.52×0.25×4=3.2÷0.08=2.5÷0.5×0.5=0.3×0.9=3.72-0.98=2.95+0.57-0.57=1÷0.25=9-9×0.1=0.8÷0.2×0.8÷0.2=7.6b-6.6b=0.32=
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