直接写得数。
①0.85+0.3=
②0.85+0.2=
③7.8-5.02=
④12×20=
⑤25×4=
⑥22×4=
⑦11×60=
⑧95-47=
⑨54+39=
⑩63+27=
⑪6.25-2.53=
⑫3.25+0.5=
⑬8.1-3.01=
⑭1.9+0.11=
⑮320+455=
⑯155-85=
⑰84-36=
⑱25×3=
⑲70×12=
⑳21×30=
㉑1.25+0.57=
㉒5.9-3.4=
㉓0.45+0.3=
㉔11×33=
㉕30×16=
㉖50×18=
㉗250-40=
㉘310+180=
㉙208+70=
㉚450+130=
㉛1.07+0.2=
㉜4.8-1.7=
㉝2.7+3.03=
㉞7.22-5.24=
㉟160+50=
㊱246+53=
㊲330+160=
㊳32×20=
㊴18×6=
㊵12×5=
㉟?不,第三列:
④①3.6-1.15=
④②2.3+24.2=
④③20×30=
④④15×2=
④⑤13×30=
④⑥14×20=
④⑦136+60=
④⑧420-120=
④⑨360-90=
⑤⑩71-25=
⑤①9.23-4.37=
⑤②0.56+1.34=
⑤③15.66-10.67=
⑤④0.91+0.08=
⑤⑤278-234=
⑤⑥520-210=
⑤⑦602-212=
⑤⑧16×3=
⑤⑨40×15=
⑥⑩11×45=
①0.85+0.3=
②0.85+0.2=
③7.8-5.02=
④12×20=
⑤25×4=
⑥22×4=
⑦11×60=
⑧95-47=
⑨54+39=
⑩63+27=
⑪6.25-2.53=
⑫3.25+0.5=
⑬8.1-3.01=
⑭1.9+0.11=
⑮320+455=
⑯155-85=
⑰84-36=
⑱25×3=
⑲70×12=
⑳21×30=
㉑1.25+0.57=
㉒5.9-3.4=
㉓0.45+0.3=
㉔11×33=
㉕30×16=
㉖50×18=
㉗250-40=
㉘310+180=
㉙208+70=
㉚450+130=
㉛1.07+0.2=
㉜4.8-1.7=
㉝2.7+3.03=
㉞7.22-5.24=
㉟160+50=
㊱246+53=
㊲330+160=
㊳32×20=
㊴18×6=
㊵12×5=
㉟?不,第三列:
④①3.6-1.15=
④②2.3+24.2=
④③20×30=
④④15×2=
④⑤13×30=
④⑥14×20=
④⑦136+60=
④⑧420-120=
④⑨360-90=
⑤⑩71-25=
⑤①9.23-4.37=
⑤②0.56+1.34=
⑤③15.66-10.67=
⑤④0.91+0.08=
⑤⑤278-234=
⑤⑥520-210=
⑤⑦602-212=
⑤⑧16×3=
⑤⑨40×15=
⑥⑩11×45=
答案
①1.15
②1.05
③2.78
④240
⑤100
⑥88
⑦660
⑧48
⑨93
⑩90
⑪3.72
⑫3.75
⑬5.09
⑭2.01
⑮775
⑯70
⑰48
⑱75
⑲840
⑳630
㉑1.82
㉒2.5
㉓0.75
㉔363
㉕480
㉖900
㉗210
㉘490
㉙278
㉚580
㉛1.27
㉜3.1
㉝5.73
㉞1.98
㉟210
㊱299
㊲490
㊳640
㊴108
㊵60
㊶2.45
㊷26.5
㊸600
㊹30
㊺390
㊻280
㊼196
㊽300
㊾270
㊿46
51 4.86
52 1.9
53 4.99
54 0.99
55 44
56 310
57 390
58 48
59 600
60 495
②1.05
③2.78
④240
⑤100
⑥88
⑦660
⑧48
⑨93
⑩90
⑪3.72
⑫3.75
⑬5.09
⑭2.01
⑮775
⑯70
⑰48
⑱75
⑲840
⑳630
㉑1.82
㉒2.5
㉓0.75
㉔363
㉕480
㉖900
㉗210
㉘490
㉙278
㉚580
㉛1.27
㉜3.1
㉝5.73
㉞1.98
㉟210
㊱299
㊲490
㊳640
㊴108
㊵60
㊶2.45
㊷26.5
㊸600
㊹30
㊺390
㊻280
㊼196
㊽300
㊾270
㊿46
51 4.86
52 1.9
53 4.99
54 0.99
55 44
56 310
57 390
58 48
59 600
60 495
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