45.2－33.5= 1.37+2.65=
54× (3.94+6.86) （3.2+0.12）×0.8 0.175×0.25×4
8.25+1.55=
1.8×0.25+4.2 28.7-17.9+4.5 2.4
10－2.45=
12× (15.4-12.2) 9
10.2－8.75= 7.3－2.25= 3.7+2.36= × [0.3×(8-6.5)] 0.4 15.4+2.97=
×3-6.18 ×99+0.4
7.8+4.56+2.2 5.01-1.9+4.99 12.7+12.5×5
11.65－7.39=
3.6×4-2.5 0.65
1.44×3.98=
90× (3.6-1.8)
85－34.7=
10－3.14= ×6.4-0.65×5.4 78 1.36×0.8= 3.6+5.8-1.2×5 0.36 0.7×7.8= ×0.25×0.4 × [(6.1-4.6)×0.8]
8.5×5.67－7.5×5.67 1.6×[(1.8+1.95)-2.5] 4.5－1.14+1.5－1.24
1.3×0.25=
6.2+3.5×25×4 7.32
4.8×0.25=
1.25×32 0.56
0.32×0.8=
1.44×3.98= －4.37×0.9 4.05 4.8×1.2= ＋3.48＋0.44＋6.52 2.8+ 0.32×1.2= ×0.5+0.81 （2.25＋27.5×1.5）
5.8×7.6＋7.6×4.2 145.3－58.6－41.4 [（5.1－3.6）÷0.8－1]×0.09
9.8×0.5=
0.5×4+0.5×6
2.42×1.1=
2.6×(0.175÷0.25) 70.8
2.6×0.8=
9.8×1.3= 7.5－2.3×0.4）-0.2 5 2.16+0.93.14×1.5= －1.25－1.75 (8 2.15×2.1= ×3 ＋0.8)×1.25 （9.4×[0.96÷(5.4÷0.9)] 2.125×1.5+7.875×1.5 0.7×101－0.7
0.12×50= 2.6×0.5=
0.125×4.7×8 12.5－1.68－2.32 567
9.6×0.8= 3.25×1.8=
19.6÷﹝0.48÷（5.4÷0.9）﹞ 1.92×（2.3+10.5÷15）
4.8×0.9= 9.34×1.4=
7.2×9.9 4.75×99＋4.75 70.8÷20÷5 ÷﹝0.6×（8-6.5）﹞－1.25－1.75
18
北师大小学四年级数学下册脱式计算竖式计算
