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十道小数乘法加答案

(1)2.64*1.7-2.64*0.7=2.64*(1.7-0.7)=2.64*1=2.64 (2)31.5*1.07-3.15*0.7=3.15*10.7-3.15*0.7=3.15*(10.7-0.7)=3.15*10=31.5 (3)2.7*5.7-2.7+5.3*2.7=2.7*(5.7-1+5.3)=2.7*10=27 (4)0.625÷0.125*0.8=(0.625*0.8)*8÷(0.128*8)=0.5*8÷1=4 (5)18.6*6

0.7*0.2 0.7*0.3 0.8*0.6 0.1*0.9 0.3*0.5 0.5*0.6 0.4*0.4 0.4*0.9 0.7*0.4 0.3*0.90.9-0.3 0.9-0.6 0.9-0.8 0.9-0.7 0.8-0.7 0.5-0.3 0.8-0.5 0.7-0.3 0.6-0.2 0.3-0.10.9+0.9 0.3+0.9 0.6+0.5 0.2+0.3 0.5+6.2 1.2+0.2 1.5+0.5 9.9+9.6 9.6+3.6 3.2+2.6

1.8*08=1.441.2*3.4=4.0855.6*4.2=233.523.25*5.32=17.299.7*8.4=81.485.9*4.5=26.552.6*4.2=10.925.02*0.9=4.5180.9*0.9=0.815.2*7.2=37.440.6*0.5=0.31.2*1.8=2.160.8*1.20.969.9*8.8=0.7266.1*2.1=138.816.5*5.6=36.4 2.37*125=296.250.15

竖式;5.6+7= 4.2+8.9= 25+34= 2.9+5.4= 3.7+35=5.6-1.9= 89-47= 57-1.3= 4.7-1.5= 24--15=6.7乘0.3= 2.4乘6.2= 0.56乘0.04= 3.7乘4.6【保留一位小数】 6.5乘8.4=【保留一位小数】6.7乘0.3=【保留整数】48

1.2*3.52.55*6.556.4*93.4*5.66.5*7.82.3*74.9*81.2*3.28.5*1.43.6*4

1.1乘1.1等于1.211.2乘1.2等于1.441.3乘1.3等于1.691.4乘1.4等于1.961.5乘1.5等于2.251.6乘1.6等于2.561.7乘1.7等于2.891.8乘1.8等于3.24 1.9乘1.9等于3.612.1乘2.1等于4.410.8除以2等于0.42.7除以3等于0.96.4除以4等于1.61.25除以5等于2.52.16除以6等于3.63.43除以7等于4.95.12除以8等于6.47.29除以9等于8.1133.1除以11等于12.1172.8除以12等14.4

给你举几个例子剩下的自己思考自己列式子30÷40=0.7512.1 ÷ 1.1=121 ÷ 11 = 11竖式见图:

0.4/8=0.05 6/1.2=5 6.3/0.2=31.5 4.2/3=14 22.4/4=5.6 1.2/3=0.4 0.48/6=0.08 4.6/23=0.2 6.8/4=1.7 0.72/12=0.06

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