直接写得数.0.25×8= 5.6×99= 18.45÷9=6+2.6= 7.4﹣0.4= 2.5×4÷100=0.63×100= 3.6×2.5= 0.99+0.1÷10=40÷50= 0.62÷10= 0.8×2÷0.8×2=4.2÷0.7= 125×8.2= 1.5×0.7+8.5×0.7=3×0.32=
6.35的1.15倍是多少?
列竖式计算 5×2.02= 56.7×1.2=
我会口算. 0.4×6= 0.08×7= 1.5×3= 0.638×100= 1.22×3= 4.07×10= 0.1×48= 243×0.01= 0.5×8= 0.5×15= 12.5×8= 0×4.2=
涂一涂,填一填. 0.5×3= 8×0.04= .