北师大四年级数学下册脱式计算

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54×(3.94+6.86)（3.2+0.12）×0.80.175×0.25×4

8.25+1.55=1.8×0.25+4.228.7-17.9+4.52.410－2.45=12×(15.4-12.2)97.3－2.25=3.7+2.36=×[0.3×(8-6.5)]0.4×3-6.18×99+0.47.8+4.56+2.25.01-1.9+4.9912.7+12.5×511.65－7.39=3.6×4-2.50.651.44×3.98=

90×(3.6-1.8)10－3.14=

××5.478

1.36×0.8=

×50.36×0.25×0.4×[(6.1-4.6)×－×5×.675.67

1.6×[(1.8+1.95)-2.5]4.5－1.14+1.5－1.24

1.3×0.25=6.2+3.5×25×47.324.8×0.25=1.25×32×3.98=－4.37×0.94.05

1/5

4.8×1.2=

3.48＋0.44＋6.522.8+×0.5+0.81（2.25＋27.5×1.）55.8×7.＋67.6×4.2

145.3－58.6－41.4[（5.1－3.6）÷0.－81]×0.09

9.8×0.5=

0.5×4+0.5×6

2.42×1.1=2.6×(0.175÷0.25)×1.3=7.5－2.3×0）.4-0.252.16+0.93.14×1.5=－1.25－1.75(8×3＋0.8)×1.25（9.4×[0.96÷(5.4÷0.29)].125×1.5+7.875××101－0.70.12×50=2.6×0.5=0.125×4.7×812.5－1.68－2.325679.6×0.8=3.25×1.8=19.6÷﹝0.48÷（5.4÷0）.9﹞1.92×（2.3+10.5÷）15÷20÷﹝5÷0.6×（8-6.5）﹞187.2×＋×499.7570.8－1.25－1.750.7×9.32=1.87×2.3=3.54×0.29－0.29××32×2.5

0.15×0.63=1.8×0.85=

93÷0.31÷34＋.81.3＋5.19＋×－

2.5×（8＋0.4）138÷0.25÷0.4125××98

33.87+16.89=

2/5

（37.26－6.01）×0.4＋5.52.38×0.＋55.62÷2

3.8+3.54=

51.8－4.8×（2.03－0.18）10.21-3.85=

15.8

3.05－2.9=

1.25×32×＋×10.5

1.6×3－－(8.65+0.40)

8－7.23=

4.6－1.75+2.08

85－34.7=

4.28+0.53－3.374.6+12.3+5.8

3.8+3.54=

5－(4.19－2.83)7.41

0.7×7.8=

3.2+1.27－2.4915－(1.3+3.9)－(2.96+3.04)

1.54+2.08+3.629.5+4.85－－(1.75+2.08)

4.8×1.2=

4.02－3.5+0.98

2.13×4=

2.6+1.4×30.32×0.8=

70.8－1.25－1.75

3/5

4.8×0.3=

(8+0.8)×1.255－4.19+2.83

2.5×0－.61.8×0.5

2.5×2.8×4

9.34×1.4=

1.83+3.79+0.17

1.87×2.3=

10―0.34―×13+0.9

0.7×9.32=

22－1.6×7

0.15×0.63=

12.8+2.04××13.7×0.4

0.89×4.8+0.89×5.2

6.15×9－.442

4.5×3.6+5.2××0.9+5.5×0.935.7+14-30.8

3.7+2.36=10.2－8.75=

5.4÷（2.7×4）9.4×[0.96÷(5.4÷0.9)]9.8×1.3=654×0.9=1.6×(2.25+10.5÷1.5)90－1÷.8)52(3.6÷6.5+26×0.373.4×7.8÷÷[(6.1―4.6)×0.8]54÷(3.94+6.86)0.175÷0.25×4

2.13×4=

4/5

(3.2+0.12)÷0.8

3.25×1.8=

96×(15.－412.2)4.8×0.3=

0.175÷0.25×0.4

4.8×1.3=

2.4×÷7+4.5×－[06.35)]9×(8

7.8+4.56+2.2

15.4+2.97=

3.6×4－2.5

8.25+1.55=

2.