Question

72×6.7 67.2×0.23 6.72的简便计算

Answer 1

17×40＝680,100－63＝37,3.2＋1.68＝4.88,2.8×0.4＝1.1214－7.4＝6.6,1.92÷0.04＝48,0.32×500＝160,0.65＋4.35＝510－5.4＝4.6,4÷20＝0.2,3.5×200＝700,1.5－0.06＝1.440.75÷15＝0.05,0.4×0.8＝0.32,4×0.25＝1,0.36＋1.54＝21.01×99＝99.99,420÷35＝12,25×12＝300,135÷0.5＝2703/4+1/4=1,2+4/9=22/9,3-2/3=7/3,3/4-1/2=1/41/6+1/2-1/6=1/2,7.5-(2.5+3.8)=1.2,7/8+3/8=5/43/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.50.51÷17＝0.03,32.8＋19＝51.8,5.2÷1.3＝4,1.6×0.4＝0.644.9×0.7＝3.43,1÷5＝0.2,6÷12＝0.5,0.87－0.49＝0.381.(1+1/2)(1+1/3)(1+1/4)(1+1/100)2.(1-1/2)(1-1/3)(1-1/4)(1-1/100)3.8+2-8+24.25*4/25*45.7.26-(5.26-1.5)6.286+1987.314-2028.526+3019.223-9910.6.25+3.85-2.125+3.87511.9-2456*2112.0.5/11.5-4*2.7513.1/2×3/514.3.375+5.75+2.25+6.62515.1001－9036÷1816.3.8×5.25+14.517.2.1*4.3+5.7*2.118.30×1/319.102*45-32820.2/3×1221.2.8*3.1+17.6/822.3/5×5/623.(50-12.5)/2.524.2/5×1/325.6110*47+63926.1/2-1/627.3.5*2.7-52.2/1828.1/7×1/529.3.375*0.97+0.97*6.62530.25×4/531.6.54+2.4+3.46+0.632.5/6-1/233.95.6*1.8+95.6*8.234.1/2×1/535.600-420/1236.344/3.6-5.4*0.2537.16/2+30/2+90/638.3001-1998.39.5000-105*3440.0.15/0.25+0.75*1.241.(1/2+1/3+1/4)*0.2442.(25+4)*443.300-4263/2144.0.81/0.25+5.9645.403÷13×2746.1.5×4.2－0.75÷0.2547.3.27×4+3.27×5.748.（1.2+1.8）×4.51025－768÷3249.0.25×80－0.45÷0.950.1025－768÷3251.0.25*2.69*452.2348+275*1653.2/9*15/8-1/12*9/554.2.4+2.4*(5.375-3.375)55.645-45*1256.0.15+1.2/0.24-0.4557.3.75-(2.35+0.25/1.25)58.76*1/4+23*25/100+0.2559.10-2.87-7.1360.0.96+9.6*9.961.7.5-5.7*1/362.12.37-3.25-6.7563.16*6.8+2.2*16+1664.401*19+28465.58.7-16.65/3.766.0.4*4.7*2.5+(2.3+5.3)67.9.31-1.125-7.87568.640+128*4569.8.2*1.6-0.336/4.270.400*(0.62+0.08)2/1*2=13/1*3=13/2*3=23/1*6=24/3*8=65/3*20=127/3*14=68/7*40=354/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=14499/98*99=983/14*6=287/1*28=410/1*90=95/3*105=6319/7*38=145/1*25=58/19*16=3861/60*122=1207/2*28=86/1*48=89/7*18=1425/7*100=289/5*81=458/9*16=18123+25=148123-35=8856×7=392135÷5=27248+89=337146-23=123155×5=775456-12=38456+45=501546-457=8945×10=451564-12=47879+54=933896-546=35056×12=672.45-5=9457+456=9137+14=2118-9=98+16=2425-5=209+18=2756-45=1110+20=3045-23=2211+22=3378-23=5512+24=3610-3=715-4=1120-5=1525-6=1930-7=2335-8=2740-9=3145-10=3550-11=3955-12=4360-13=4765-14=5170-15=5575-16=5980-17=6385-18=6790-19=7195-20=75100-21=79105-22=83110-23=87115-24=91120-25=95125-26=99130-27=10313+26=3914+28=4215+30=4516+32=4817+34=5118+36=5419+38=5720+40=6021+42=6322+44=6623+46=6924+48=7225+50=7526+52=7827+54=8128+56=8429+58=8730+60=9031+62=9332+64=9633+66=995÷1=510÷2=515÷3=520÷4=525÷5=530÷6=535÷7=540÷8=545÷9=550÷10=555÷11=560÷12=565÷13=570÷14=575÷15=580÷16585÷17590÷18595÷195100÷2052/1*2=13/1*3=13/2*3=23/1*6=24/3*8=65/3*20=127/3*14=68/7*40=354/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=14499/98*99=983/14*6=287/1*28=410/1*90=95/3*105=6319/7*38=145/1*25=58/19*16=3861/60*122=1207/2*28=86/1*48=89/7*18=1425/7*100=289/5*81=458/9*16=1812÷3/5=12×（5/3）9÷6/7=9×（7/6）30÷5/6=30×（6/5）4×（3/2）=4÷2/3（4）÷5/7=4×7/53÷4/5=3×5/4（24）÷7/16=24×（16/7）A÷C/B=A×B/C4÷4/5=56÷3/4=810÷2/5=2518÷4/9=81/24×4/5=16/56×3/4=18/410×2/5=418×4/9=83÷3/4=42÷1/3=66÷4/5=15/21÷5/7=7/53/4÷3=1/41/3÷2=1/64/5÷6=2/155/7÷1=5/72/1*2=13/1*3=13/2*3=23/1*6=24/3*8=65/3*20=127/3*14=68/7*40=354/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=14499/98*99=983/14*6=287/1*28=410/1*90=95/3*105=6319/7*38=145/1*25=58/19*16=3861/60*122=1207/2*28=86/1*48=89/7*18=1425/7*100=289/5*81=458/9*16=18柳州电脑网l用简便的方法计算下面各题2.9*6.7+2.3+2.96.72*102-672*0.022.5*32*1.25