3.5×(-1)= (-10)×(0.2)= (-4)×(18) ×(-25) = 100×(-0.1)×10×(-0.
1个回答
3.5×(-1)= -3.5
(-10)×(0.2)=-2
(-4)×(18) ×(-25) =1800
100×(-0.1)×10×(-0.01)=1
相关问题
用简便方法计算:0.25×0.03×4 10.1×7821.2×5+18.8×5 6.3
(1)1.9×130%= (2)0.3×100%=(3)16×100%=(4)15×18.0%= (5)9×112%=
9.9×2.3 12.5×0.8×4×0.5 2.5×0.32×1.25 5.3×10.1 简便计算,要有列式.
直接写出得数.0.45×2.5= 0.8×1.25= 0.3×3.6= 0.3×0.3= 10×0.07= 0.3×1.
1×2×3×4×5×6×7×8×9×10×0×11×12×13×14×15×16×17×18×19×20×100
25×0.25×0.25……×0.25(99个)×4×4×4×……×4(100个)=
简算2.5×8×0.4×0.125 0.65×201 6.81+6.81×99 (1×2×3…10×11)÷(27×25
观察下列各式的计算过程:5×5=0×1×100+25,15×15=1×2×100+25,25×25=2×3×100+25
观察下列各式的计算过程:5×5=0×1×100+25,15×15=1×2×100+25,25×25=2×3×100+25
直接写出得数0.20×25=1.4×3=0.7×0.5=4.5×0.2=1.5×0.6=0.8×5=2.4×3=5×0.