四年级上递等式计算300道
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/10 18:26:51
有一些不符合要求请自己挑脱式计算:360÷[(12+6)×5]288÷[(26-14)×8]500×6-(50×2-80)(105×12-635)÷25864÷[(27-23)×12](45+38-1
(24+1*4)/4=28米,这是水泥路外周长28/4=7米是水泥路外周边长中间花坛的边长为7-1-1=5米5*5*5=125盆花189*25+37*75=189*25+(37*3)*(75/3)=1
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(720+270)÷55-120÷24=990÷55-120÷(12×2)=990÷110×2-120÷12÷2=9×2-10÷2=18-5=13(63+480÷16)-29=(63+30×16÷16
175-75÷2568+35×13725-(125+237)(114+166)÷35432÷(9×8)189-60+40三、简便计算.216+30525×3247+236+646×(15×9)402+
518+171+482+129329+78+27159×4×253×125×13×896×1254×301×25×3326+326×99104×7323×(300+2)58+19×5832×62+68
(8+9)x7+58=17x7+58=119+58=167
175-75÷2568+35×13725-(125+237)(114+166)÷35432÷(9×8)189-60+40三、简便计算.216+30525×3247+236+646×(15×9)402+
1.340÷5+340÷5=68+68=1362.55×101-55+16×25=55×(100+1)-55+400=5500+55-55+400=59003.8421-277-623+579=842
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
递等式格式:12+23+34+45=35+34+45=69+45=114
99×199+99+199=99×(199+1)+199=99×200+199=1999967×9+99×3=67×9+9×11×3=9×(67+33)=9×100=900(632×5+632×2+6
120+90=543-306=300÷12=120×5=12+18+14=62+160+38=14×60=203-80=50×15×4=175-56=250×8=420×20=25+67+75=450
1.125×5602.45×71+29×453.13.6×8×1254.13.6-4.25-5.75+6.45.18.3-6.25-3.75+12.76.64×1017.25×125×40×88.73
175-75÷2568+35×13725-(125+237)(114+166)÷35432÷(9×8)189-60+40三、简便计算.216+30525×3247+236+646×(15×9)402+
1、368+2649+13512、89+101+1113、24+127+476+5734、400-273-1275、327+(96-127)6、72×987、442-103-1428、999+99+9
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
518+171+482+129329+78+27159×4×253×125×13×896×1254×301×25×3326+326×99104×7323×(300+2)58+19×5832×62+68