直接写得数。
①$3.25+1.42=$
②$5.89-2.31=$
③$0.63+2.17=$
④$9.56-4.06=$
⑤$1.208+2.511=$
⑥$7.842-3.520=$
⑦$4.18+0.75=$
⑧$6.32-1.82=$
⑨$2.345+1.604=$
⑩$8.913-5.213=$
⑪$0.92+5.08=$
⑫$10.25-3.70=$
⑬$3.716+2.283=$
⑭$6.45-0.95=$
⑮$1.57+4.33=$
⑯$7.109-2.006=$
⑰$5.66+3.29=$
⑱$9.38-6.41=$
⑲$0.6×8=$
⑳$2.8×10=$
㉑$0.7×0.8=$
㉒$4.5×2=$
㉓$7.02×0.8=$
㉔$6×3.4=$
㉕$0.75×100=$
㉖$0.02×0.5=$
㉗$3.6×0.3=$
㉘$5.6×100=$
㉙$2.5×8=$
㉚$0.7×9.2=$
㉛$0.8×1.1=$
㉜$42.6×0.6=$
㉝$4.5×3.6=$
㉞$8.65×10=$
㉟$0.35×0.4=$
㊱$3.08×0.01=$
㊲$4.95×1000=$
㊳$6.9×0.9=$
㊴$0.4×0.5=$
㊵$0.325×100=$
㊶$2.5×9.7=$
㊷$0.125×4=$
㊸$3.28×0.1=$
㊹$7.2×0.3=$
㊺$0.01×0.8=$
㊻$0.25×0.4=$
㊼$1.25×1.6=$
㊽$0.2×102=$
㊾$2.6×100=$
㊿$32×0.4=$
51$750×0.5=$
52$600×0.03=$
53$0.23×30=$
54$50×1.2=$
55$1.4×300=$
56$0.26×200=$
57$0.50×90=$
58$0.05×200=$
59$0.18×20=$
60$10.4×20=$

①$3.25+1.42=4.67$
②$5.89-2.31=3.58$
③$0.63+2.17=2.8$
④$9.56-4.06=5.5$
⑤$1.208+2.511=3.719$
⑥$7.842-3.520=4.322$
⑦$4.18+0.75=4.93$
⑧$6.32-1.82=4.5$
⑨$2.345+1.604=3.949$
⑩$8.913-5.213=3.7$
⑪$0.92+5.08=6$
⑫$10.25-3.70=6.55$
⑬$3.716+2.283=5.999$
⑭$6.45-0.95=5.5$
⑮$1.57+4.33=5.9$
⑯$7.109-2.006=5.103$
⑰$5.66+3.29=8.95$
⑱$9.38-6.41=2.97$
⑲$0.6×8=4.8$
⑳$2.8×10=28$
㉑$0.7×0.8=0.56$
㉒$4.5×2=9$
㉓$7.02×0.8=5.616$
㉔$6×3.4=20.4$
㉕$0.75×100=75$
㉖$0.02×0.5=0.01$
㉗$3.6×0.3=1.08$
㉘$5.6×100=560$
㉙$2.5×8=20$
㉚$0.7×9.2=6.44$
㉛$0.8×1.1=0.88$
㉜$42.6×0.6=25.56$
㉝$4.5×3.6=16.2$
㉞$8.65×10=86.5$
㉟$0.35×0.4=0.14$
㊱$3.08×0.01=0.0308$
㊲$4.95×1000=4950$
㊳$6.9×0.9=6.21$
㊴$0.4×0.5=0.2$
㊵$0.325×100=32.5$
㊶$2.5×9.7=24.25$
㊷$0.125×4=0.5$
㊸$3.28×0.1=0.328$
㊹$7.2×0.3=2.16$
㊺$0.01×0.8=0.008$
㊻$0.25×0.4=0.1$
㊼$1.25×1.6=2$
㊽$0.2×102=20.4$
㊾$2.6×100=260$
㊿$32×0.4=12.8$
51$750×0.5=375$
52$600×0.03=18$
53$0.23×30=6.9$
54$50×1.2=60$
55$1.4×300=420$
56$0.26×200=52$
57$0.50×90=45$
58$0.05×200=10$
59$0.18×20=3.6$
60$10.4×20=208$