直接写得数。
①$9×m=$
②$n×10=$
③$2.73+5.41=$
④$8.5-4.13=$
⑤$5×9=$
⑥$7.35-2.41=$
⑦$10.48+0.39=$
⑧$6.85+4.85=$
⑨$5.31+3.48=$
⑩$6×r=$
⑪$s×s=$
⑫$y×y×4=$
⑬$8×c×2=$
⑭$k+7k=$
⑮$29b+51b=$
⑯$120×50=$
⑰$153-68=$
⑱$358+142=$
⑲$19^2=$
⑳$8.7-2.36=$
㉑$a×a=$
㉒$0.53-0.35=$
㉓$7.84-2.52=$
㉔$8×24=$
㉕$30×7=$
㉖$5.19+0.62=$
㉗$9.41-5.24=$
㉘$4.07+3.52=$
㉙$7×z=$
㉚$12.58+16.34=$
㉛$10.25-9.68=$
㉜$25×6=$
㉝$17×3=$
㉞$13y-4y=$
㉟$86x+36x=$
㊱$86+117=$
㊲$11r-4r=$
㊳$15×20=$
㊴$22^2=$
㊵$7m×2m=$
㊶$8×d=$
㊷$6.9-3.27=$
㊸$0.42+0.51=$
㊹$15×3=$
㊺$3.42+5.36=$
㊻$6.73-3.51=$
㊼$4.25+14.93=$
㊽$7.91-2.30=$
㊾$21×20=$
㊿$16×h=$
51$5×65=$
52$16.34-8.58=$
53$14×14=$
54$m×3m=$
55$125×3=$
56$15×6=$
57$26×4=$
58$18^2=$
59$0.54+0.83=$
60$8n×5n=$
①$9×m=$
②$n×10=$
③$2.73+5.41=$
④$8.5-4.13=$
⑤$5×9=$
⑥$7.35-2.41=$
⑦$10.48+0.39=$
⑧$6.85+4.85=$
⑨$5.31+3.48=$
⑩$6×r=$
⑪$s×s=$
⑫$y×y×4=$
⑬$8×c×2=$
⑭$k+7k=$
⑮$29b+51b=$
⑯$120×50=$
⑰$153-68=$
⑱$358+142=$
⑲$19^2=$
⑳$8.7-2.36=$
㉑$a×a=$
㉒$0.53-0.35=$
㉓$7.84-2.52=$
㉔$8×24=$
㉕$30×7=$
㉖$5.19+0.62=$
㉗$9.41-5.24=$
㉘$4.07+3.52=$
㉙$7×z=$
㉚$12.58+16.34=$
㉛$10.25-9.68=$
㉜$25×6=$
㉝$17×3=$
㉞$13y-4y=$
㉟$86x+36x=$
㊱$86+117=$
㊲$11r-4r=$
㊳$15×20=$
㊴$22^2=$
㊵$7m×2m=$
㊶$8×d=$
㊷$6.9-3.27=$
㊸$0.42+0.51=$
㊹$15×3=$
㊺$3.42+5.36=$
㊻$6.73-3.51=$
㊼$4.25+14.93=$
㊽$7.91-2.30=$
㊾$21×20=$
㊿$16×h=$
51$5×65=$
52$16.34-8.58=$
53$14×14=$
54$m×3m=$
55$125×3=$
56$15×6=$
57$26×4=$
58$18^2=$
59$0.54+0.83=$
60$8n×5n=$
答案
①$9×m=9m$
②$n×10=10n$
③$2.73+5.41=8.14$
④$8.5-4.13=4.37$
⑤$5×9=45$
⑥$7.35-2.41=4.94$
⑦$10.48+0.39=10.87$
⑧$6.85+4.85=11.7$
⑨$5.31+3.48=8.79$
⑩$6×r=6r$
⑪$s×s=s^2$
⑫$y×y×4=4y^2$
⑬$8×c×2=16c$
⑭$k+7k=8k$
⑮$29b+51b=80b$
⑯$120×50=6000$
⑰$153-68=85$
⑱$358+142=500$
⑲$19^2=361$
⑳$8.7-2.36=6.34$
㉑$a×a=a^2$
㉒$0.53-0.35=0.18$
㉓$7.84-2.52=5.32$
㉔$8×24=192$
㉕$30×7=210$
㉖$5.19+0.62=5.81$
㉗$9.41-5.24=4.17$
㉘$4.07+3.52=7.59$
㉙$7×z=7z$
㉚$12.58+16.34=28.92$
㉛$10.25-9.68=0.57$
㉜$25×6=150$
㉝$17×3=51$
㉞$13y-4y=9y$
㉟$86x+36x=122x$
㊱$86+117=203$
㊲$11r-4r=7r$
㊳$15×20=300$
㊴$22^2=484$
㊵$7m×2m=14m^2$
㊶$8×d=8d$
㊷$6.9-3.27=3.63$
㊸$0.42+0.51=0.93$
㊹$15×3=45$
㊺$3.42+5.36=8.78$
㊻$6.73-3.51=3.22$
㊼$4.25+14.93=19.18$
㊽$7.91-2.30=5.61$
㊾$21×20=420$
㊿$16×h=16h$
51$5×65=325$
52$16.34-8.58=7.76$
53$14×14=196$
54$m×3m=3m^2$
55$125×3=375$
56$15×6=90$
57$26×4=104$
58$18^2=324$
59$0.54+0.83=1.37$
60$8n×5n=40n^2$
②$n×10=10n$
③$2.73+5.41=8.14$
④$8.5-4.13=4.37$
⑤$5×9=45$
⑥$7.35-2.41=4.94$
⑦$10.48+0.39=10.87$
⑧$6.85+4.85=11.7$
⑨$5.31+3.48=8.79$
⑩$6×r=6r$
⑪$s×s=s^2$
⑫$y×y×4=4y^2$
⑬$8×c×2=16c$
⑭$k+7k=8k$
⑮$29b+51b=80b$
⑯$120×50=6000$
⑰$153-68=85$
⑱$358+142=500$
⑲$19^2=361$
⑳$8.7-2.36=6.34$
㉑$a×a=a^2$
㉒$0.53-0.35=0.18$
㉓$7.84-2.52=5.32$
㉔$8×24=192$
㉕$30×7=210$
㉖$5.19+0.62=5.81$
㉗$9.41-5.24=4.17$
㉘$4.07+3.52=7.59$
㉙$7×z=7z$
㉚$12.58+16.34=28.92$
㉛$10.25-9.68=0.57$
㉜$25×6=150$
㉝$17×3=51$
㉞$13y-4y=9y$
㉟$86x+36x=122x$
㊱$86+117=203$
㊲$11r-4r=7r$
㊳$15×20=300$
㊴$22^2=484$
㊵$7m×2m=14m^2$
㊶$8×d=8d$
㊷$6.9-3.27=3.63$
㊸$0.42+0.51=0.93$
㊹$15×3=45$
㊺$3.42+5.36=8.78$
㊻$6.73-3.51=3.22$
㊼$4.25+14.93=19.18$
㊽$7.91-2.30=5.61$
㊾$21×20=420$
㊿$16×h=16h$
51$5×65=325$
52$16.34-8.58=7.76$
53$14×14=196$
54$m×3m=3m^2$
55$125×3=375$
56$15×6=90$
57$26×4=104$
58$18^2=324$
59$0.54+0.83=1.37$
60$8n×5n=40n^2$
登录