直接写出得数(1)= (2)4.22+0.4+0.38= (3)6.55﹣1.5= (4)×= (5)0.72÷0.8=(6)1+= (7)12.5×6×8= (8)33= (9)75×25%+25×25%= (10)5×()×8=
列竖式计算. *0.83×9.6= *9.36÷5.2= ▲0.026×4.5 ▲3.52÷1.7.
口算 0.1×100= 7.2÷10= 93÷100= 0.25×1000= 159+61= 600÷20= 78+222= 405﹣60= 17×11= 0.4+7.5= 9.3﹣2.7= 1﹣0.09= 7600÷400= 480÷120= 695﹣75= 1000÷8=
40×0.5=6.8÷4= 14×0.5= 12.5÷5= 3.2÷0.8= 4×9.5×2.5= 15×0.04= 3÷0.6= (3.6﹣3.6)÷9.1= .
列竖式计算. 1.05×0.86= 0.32÷0.025=(用乘法验算) 3.38÷1.8=(商用循环小数)
直接写得数. 0.01×6.8= 3.6÷0.4= 1.25×4.3×0.8= 7.2÷36= 4.8×0.2= 3÷0.25÷4= 3.7+2.5= 2.87÷0.7= 2.7×0.6+0.6×0.3=