①7.2x-5.4x=12.6 | ②3x+5×1.2=15 | ③x÷0.05=5 |
④X-0.8x-6=16 | ⑤0.72×3-7x=0.06 | ⑥(1.6+3.4)x=14 |
⑦75÷(x+10)=2 | ⑧x÷0.05=55 | ⑨5x-3×(28-x)=12+2x. |
直接写出得数.
7×10= | 360×2= | 480÷60= | 78÷13= | 35×2= | 8×12= |
560÷80= | 480÷40= | 116×28= | 816÷51= | 650÷25= | 50×0×10= |
①7.2x-5.4x=12.6 | ②3x+5×1.2=15 | ③x÷0.05=5 |
④X-0.8x-6=16 | ⑤0.72×3-7x=0.06 | ⑥(1.6+3.4)x=14 |
⑦75÷(x+10)=2 | ⑧x÷0.05=55 | ⑨5x-3×(28-x)=12+2x. |
7×10= | 360×2= | 480÷60= | 78÷13= | 35×2= | 8×12= |
560÷80= | 480÷40= | 116×28= | 816÷51= | 650÷25= | 50×0×10= |