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口算:5.5×2=9.6÷4.8=23-1.5×2=2×3.1=2.4×0.5=0.125×8-0.1=0.48÷6=6.4-4=0.6÷3+3=0.91÷13=3.25
口算:5.5×2=9.6÷4.8=23-1.5×2=2×3.1=2.4×0.5=0.125×8-0.1=0.48÷6=6.4-4=0.6÷3+3=0.91÷13=3.25...
口算:5.5×2=9.6÷4.8=23-1.5×2=2×3.1=2.4×0.5=0.125×8-0.1=0.48÷6=6.4-4=0.6÷3+3=0.91÷13=3.25+0.75=9.9-0.9÷0.1=17×40= 100-63= 3.2+1.68=4.8÷8=0.5+0.5÷0.5=50×0.8=0.99÷33=0.034×7.5×2.5=4.5×0.1=2.4÷0.8=(2.7-2.7)×3.5=1.3×7=2÷0.4=2.1×40÷10=2.8×0.4=14-7.4= 1.92÷0.04=0.4×0.8=0.58+0.26=1.4×6=6.4÷4=4.98+0.62=1.7-0.47=5-0.05=2.5×3=3÷0.25=0.32×500=0.65+4.35=10-5.4= 4÷20= 3.5×200=1.5-0.06=0.75÷15=5.5×2=4×0.25=0.36+1.54=1.01×99=420÷35=25×12=135÷0.5=0.51÷17=32.8+19=5.2÷1.3=1.6×0.4=4.9×0.7=1÷5=6÷12=0.87-0.49=
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5.5×2=11 | 9.6÷4.8=2 | 3-1.5×2=0 | 2×3.1=6.2 | 2.4×0.5=1.2 |
0.125×8-0.1=0.9 | 0.48÷6=0.08 | 6.4-4=2.4 | 0.6÷3+3=3.2 | 0.91÷13=0.07 |
3.25+0.75=4 | 9.9-0.9÷0.1=0.9 | 17×40=680 | 100-63=37 | 3.2+1.68=4.88 |
4.8÷8=0.6 | 0.5+0.5÷0.5=1.5 | 50×0.8=40 | 0.99÷33=0.03 | 4×7.5×2.5=75 |
4.5×0.1=0.45 | 2.4÷0.8=3 | (2.7-2.7)×3.5=0 | 1.3×7=9.1 | 2÷0.4=5 |
2.1×40÷10=8.4 | 2.8×0.4=1.12 | 14-7.4=6.6 | 1.92÷0.04=48 | 0.4×0.8=0.32 |
0.58+0.26=0.84 | 1.4×6=8.4 | 6.4÷4=1.6 | 4.98+0.62=5.6 | 1.7-0.47=1.23 |
5-0.05=4.95 | 2.5×3=7.5 | 3÷0.25=12 | 0.32×500=160 | 0.65+4.35=5 |
10-5.4=4.6 | 4÷20=0.2 | 3.5×200=700 | 1.5-0.06=1.44 | 0.75÷15=0.05 |
5.5×2=11 | 4×0.25=1 | 0.36+1.54=1.9 | 1.01×99=99.99 | 420÷35=12 |
25×12=300 | 135÷0.5=270 | 0.51÷17=0.03 | 32.8+19=51.8 | 5.2÷1.3=4 |
1.6×0.4=0.64 | 4.9×0.7=3.43 | 1÷5=0.2 | 6÷12=0.5 | 0.87-0.49=0.38 |
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