6.2×0.3=4.2×0.2=3.8×5.4=2.3×1.4=8.65×0.三、在○里填上">”"<”或"=”0.6×0.3○1.83.1×0.5○1.534.3×0.3○3.2×0.52.2×0.8○16.87.1×0.4○3.5×0.90.7×0.5○0.36三、在○里填上">”"<”或"=”0.54×1○0.5423.8×0.99○23.80.109×0.13○0.10960.08×0.17○0.0845.5×2.1○906.5×1.04○6.58.76×02.4×1.6○2.462.2×1.02○62.29.2×0.15○0.92×1.50.671.5×6=0.16×40=3.5×0.2=9×1.20.8×0.6=0.047×1.6=0.13×1.02=0.42×5.36=0.6×4=()≈()2.3×3=()≈()1.3×0.8=()≈()1.6×0.7=()≈()6.3×0.1=()≈()3.5×0.2=()≈()4.2×0.9=()≈()3.01×4=()≈()2.6×2=()≈()23×1.97○4645.5×2.6○900.55X0.2○0.92.1×7.2○160.5×2=12.5×0.8=08.75×11-8.75=0.25×12.3×4×2.5=3.2×4+1.8×），0.02×28=0.14×0.3=4.5×0.25×2.84.04×2.548×1.010.25×39+0.256.9.6×0.2=0.52×6=0.4×40=4.01×3=68.3-3.5×92.5×81-2.522.2×？（2.8÷0.4=0.48÷1.2=6.3÷2.1=0.32÷1.6=3.96÷0.3=2.18÷0.2=6.60.9÷0.45=4.2÷0.02=35.7÷3=()≈()19.8÷6=()≈()1.44÷0.9=()≈()4.55÷0.5()≈()0.72÷0.2=()≈()1.26÷0.3=()≈()5.75÷0.5=()≈()3.3÷0.6=()≈()20.9÷3=25÷1.5=78÷0.25×0.421.6÷0.4÷99.5÷0.95=0.125×8=m+5m-2m=0.52=8x+7.5x=3a-0.5a=0.5×2×3.15=25×4-25×y=x+55=129x÷7=14x-7=254.9÷0.757÷1.9=0.9÷0.01=0.82÷0.2=0.3×0x÷6=2.50.5x+1.5x=13.46x-3x=4.885-9x=222x+8=24.66x+4×0.25=3.6÷300.4×0.05=4.08÷0.42.8+x=205x+1.8=4.2x÷8=0.63.05×0.6=8.7÷2.9=0.41×0.7×0.8=7.6÷0.2=24.6a+2.3a=0.68-1.7=7.63÷7=2.9×3=x+13.2=252x-13.2=21.4x-21.5=15.5x÷0.71=0.255x-13×4=1201、小紅和弟弟堅持跳繩鍛煉身體，周日上午小紅跳繩350個，她跳繩的個數(shù)比弟弟的1.5倍多20？（（1）輸入數(shù)7,輸出數(shù)()2.8÷0.7=52.3×0.1=），27÷3=6.2×3=0.02×40=4.36÷4=3.5×0.4=2.5.2×2=45×0.048.2×2÷0.1=3.7×5.9+5.9×6.30.3×2.6=0.96÷0.2=x×8÷2=2.3x+0.6=4.050.75×（x+5.2)=61.6x-0.9x=1.754x+1.2×5=24.41.05×4=