直接写出得数3.2元+0.6元= 7.2元﹣5.2元= 6.5元+3.4元= 4.3元﹣0.3元=12.7元﹣0.7元= 10.5元﹣5元= 75×20= 60×40=15×30= 25×40= 355÷5= 13×50=160÷4= 80×50= 360×30= 150+5=
直接写得数.= = = == = = (﹣)×30=
直接写出得数.14×= ×5= ×= 12×= 3×=7×= 4.8+0.82= 3﹣2.7= (+2)×9= (﹣)×2=
口算题.×= ×= ×9= ××0=+= ×11= 5﹣﹣= ×9×7=
口算×15= ×2= ×= ×= ×=1×= ×= ×34= ×= ×=×= ×= ×= ×= ×=×24= ×= ×30= 28×= ×=
直接写出得数×15= ×2= ×= ×=1×= ×= ×34= ×=×= ×= ×= ×=