口算. 0.24+6.9= 9.1-7.3= 1.2×6= 7.2+2.8= 31×3= 24×5= 1000÷8= 0.8×0.6= 1.25×4
口算.0.24+6.9=9.1-7.3=1.2×6=7.2+2.8=31×3=24×5=1000÷8=0.8×0.6=1.25×4=300÷50=480÷0.6=0.15...
口算. 0.24+6.9= 9.1-7.3= 1.2×6= 7.2+2.8= 31×3= 24×5= 1000÷8= 0.8×0.6= 1.25×4= 300÷50= 480÷0.6= 0.15×9= 3.4×0.7= 2.2×3= 0.2×1.1= 2.1÷0.3= 2 5 + 1 5 = 5 8 - 3 8 = 5 9 + 4 9 = 1- 1 4 =
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0.24+6.9=7.14 | 9.1-7.3=1.8 | 1.2×6=7.2 | 7.2+2.8=10 | 31×3=93 | 24×5=120 | 1000÷8=125 | 0.8×0.6=0.48 | 1.25×4=5 | 300÷50=6 | 480÷0.6=800 | 0.15×9=1.35 | 3.4×0.7=2.38 | 2.2×3=6.6 | 0.2×1.1=0.22 | 2.1÷0.3=7 | + = | - = | + =1 | 1- = | 故答案为:7.14,1.8,7.2,10,93,120,125,0.48,5,6,800,1.35,2.38,6.6,0.22,7, , ,1, . |
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