⑴720+280÷140+360 ⑵9600÷(85-70)-15
⑶705+224÷(85-69) ⑷
⑸1.82×99+1.82 ⑹125×88
9+15×3 24×(60+16) 33×2+18
①75-60=15 15×2=30 300÷30=10综合算式:
②▲×■=● △-□=○ ●÷○=◆ 综合算式:
60÷4+8×2=10 60÷4+8×2=3
3636×42-4242×36
=( )×36×42-( ) ×42×36
=0