5.4÷（2.7×4） 9.4×[0.96÷(5.4÷0.9)] 52÷6.5+26×0.37
9.8×1.3=
1.6×(2.25+10.5÷1.5)
2.6×0.8=
0.36÷[(6.1―4.6) ×0.8]
2.13×4=
654×0.9= 90÷(3.6－1.8) 2.15×2.1= 54÷(3.94+6.86) 4.8×0.3= 3.4×7.8÷3.9 0.175÷0.25×4
(3.2+0.12)÷0.8 0.175÷0.25×0.4 28.7÷7+4.5
3.25×1.8=
96× (15.4－12.2)
1.25+2.41=
7.8+4.56+2.2
15.4+2.97=
4.8×1.3= 2.4×3-0.18 1.3－0.56= ×5 5.94+10.7= × [0.3×(8－6.5)] 0.4×99+0.4 9 12.7+12.5
3.6×4－2.5 0.65×6.4－0.65×5.4 5.01－1.9+4.99
8.25+1.55= 7.3－2.25=
2.5×2.8×4
2.5×13+0.9 0.25×13.7×0.4
北师大小学四年级数学下册脱式计算竖式计算
