脱式计算 (能简算的要简算)
10.1×8.3
12.5×3.2×25
57.2×42+42.8×42
108.8﹣8.8×1.2.
6+17= 156﹣156= 4500÷9= 41+18= 3600÷30=
57+43= 48÷12= 1.8+3.5= 7﹣3.8= 35×60=
35×10= 1500÷10= 0÷46.79= 1.5÷5= 8÷5=+
=
+
= 1﹣
=
﹣
=
3﹣=
×2=
×
=
÷
= 40×80=
80﹣17 32×20 75﹣69= 13×5= 8.7﹣2.4=
2000+400= 1.4×100= 1.2÷100= 124.6×1= 7.256÷7.256=
1.2÷0.2= 24×10%=+0.5= 2+
=
+
=
÷2=
÷
=
×0.2=
57+28= 0.12×1000= 240﹣170= 13×0.4= 69÷23=
0.8×0.5= 0.24÷2= 4.6+3.9= 303÷3= 23÷24=
0.049÷10= 105﹣99=+
=
+
=
﹣
=
2﹣= 0.2÷
= 41×82=
直接写出得数.
1.65﹣0.6= 7.1+0.9= 0÷125= 23== 1﹣
= 4×0.25= 53=
计算下面各题,能简算的要简算.
1+﹣
2﹣
﹣
+
﹣
﹣(
﹣
)
+
+
+
﹣
.
直接写出得数.+
=
﹣
=
﹣
=
+
=
1﹣=
+
=
﹣
=
﹣
=
6﹣=
+
=
﹣1= 2+
=