小學(xué)五年級數(shù)學(xué)簡便計(jì)算學(xué)習(xí)復(fù)習(xí)總結(jié)計(jì)劃練練習(xí)習(xí)題

簡易計(jì)算(1)5.32＋7.93＋4.682.50.39×0.4×32.1－8.3－1.712.39－(5.18＋2.39)(25＋2.5＋0.25)×41.83.5＋2×.5×1.812.5×8.83.61.2÷3.6×1.22×6.8×3.6＋2.68×641.3112.5×8××21.25×32×0.253.80.99×簡易計(jì)算(2)4.6×99+4.67.5101-7.5×1.25×2.5×（80×4）4.647+4.×6×54-4.67.68÷2.5÷0.40.4572+45×0×.18+4.55.5×990.12572×12.5×0.4×2.5×89.5101×4.2×7.8+2.2×4.20.873.36+4×.64×0.87簡易計(jì)算(3)4.08×0.254900.35×5.28×9912.54.12×0.8×5.7×10.1490.125×80.4×63×2.50.57.6×20×0.34×1014.8699×4.9101×8.75×11-8.759.9212×0.68101×簡易計(jì)算(4)3.26×0×.755.699+55×.61.25×213×0.86.13.6+3.6××3.94.75×99+4.752.7399×1.2×2.5+0.8×2.51010.45×0.25×4.78×40.65202×7.2×8.4+2.8×8.40.7898×4.8×0.251.5105×0.32.5××0.4簡易計(jì)算(5)56×1.251.25+4.6+0.751.67.5×1.25×49×0.125×80.463×2.50.57.6××209.6×100.14210.2×9.80.5÷228.4×99+28.40.942.5-0.9×2×.54×0.8×12.5×2.53.6101×0.125×720.2539+0.25×簡易計(jì)算(6)3.2×0.82+3.2×1.181.5899+1×.5810÷0.2÷2.514.5102×1.253.2××0.252.651.7+1.35××1.73.55×0.4÷3.55×0.40.1250.38××800×.53.583.6+6.×4×3.583.05÷0.25÷44.250.4×÷4.25×0.4解方程（1）20-X=9X-1.8=415-X=22.1÷X=3X7=0.3÷1.6X=6.46X-35=133X-126=6×(5X-12)8=24×(100-3X)2=8÷6X+3=94X-2=105X-39=5618+5X=218X-414=0×7X÷3=8.1943-X=386.3X=7÷解方程（2）7(X-20)=1406.7X-60.3=6.79X+X=04(6X+3)=602X+234=134×(3X-4)5=4×2X+1.5X=17.58X-3X=1053X+X+6=263X+6=182X-7.5=8.516+8X=404X-3×9=292(X-2.6)=85(X+1.5)=17.58(X-6.2)=41.6(X-3)2=7.5÷13.2X+9X=33.3解方程（3）8X-3X=1055.4X+X=12.8X-0.36X=16X+4.8=7.2X-6.5=3.2X8=0.4÷6X+18=483(X+2.1)=10.512X-9X=8.73.8+X=6.3X-7.9=2.62.5X=14X÷3=1.23.4X-48=26.82X-97=34.242X+25X=13413(X+5)=1695X+7=42解方程（4）X÷4.2=23.6X-X=3.252(X-3)=5.8X÷1.44=0.43.85+1.5X=6.16X-0.9=4.57.8X+2.4X=20.42(X+1)=66(X-1.5)=154X-12×3=100(X-5)3=7÷X-0.28X=3.60.3×4-2X=0.24(X+6)=36X-0.8X=1.26X-2X=200.5+7X=183X-68=0×解方程（5）8X+19=512.7X-14=21.1X-0.38X=1.245.3X-2X=1.324(X+4.5)=205X-7.3=7.73.6X+8.5=22.97X+43.5=24×.55X+28=486X-12=3045-3X=2454-X=247X=49126X=42÷3.5-X=2.51.8÷X=29X=92719.4-X=7列方程并求方程的解1.X的7倍比52多25。2.X的9倍減去5，等于49。3.X加上26等于54。4.X與5的積是85。5.X與2.3的差是4.7。6.X除