一块长方形地,长是17.6米,是宽的2.2倍.这块长方形地的面积是多少平方米?
口算:26.26÷26= 4.57+6.43= 7.9×11﹣7.9= 3.14×32=3+﹣3+= 0.1×30%= 2÷1%﹣2= ÷=1.8×4×0.5= 1.5﹣1.5×0.3= 5.7+4.3= 1﹣25%=18×= ×= 3.6÷12= 18÷=÷22= ÷5= ÷1= 1﹣0.6=0.92﹣0.2= 0.52+0.4= 0.72÷0.9= 0÷0.24=3.3÷0.1= 1÷0.25= 0.6×5= 0.2×0.4=0.25×36= ×3= ×12= 4÷=÷= ÷= 10÷= 3.5+47=0.4×12×25= 10×= 260﹣48﹣52= 3.6÷12=18÷= 5.7+4.3= 0.25×36= ×3=0.4×12×25=
直接写出得数13.6+0.64= 0.6×1.5= += ÷2÷=15×(1﹣)= 1÷(﹣)= 1﹣3÷7= ÷××=﹣(+)= (9.9﹣)÷0.9=
直接写出得数.0.36+0.04= 1.8÷0.01= ÷= 6.4×=×21×= (56.9﹣32.7)×0= += 44÷=
直接写得数6﹣3.75= 0.1×0.99= 7.5÷0.25= 1÷= ×=+= 2﹣= 4.2×0.5= 6.4﹣3.25= 9.3÷0.03=44÷= ÷2÷= 9﹣﹣=
直接写出得数.4.6+3.2= 2.5×40= 0.43×3= 0÷5.8=+= ﹣= += ×=