20×150=
40×4=
270÷3=
5400÷9=
170+50=
2500-800=
93÷3=
220×2=
62÷9≈
543÷6≈
88×22≈
71×49≈
79×300= ★623×58=
90×50=
690÷30=
70×12=
336+198=
510-90=
210×40=
770÷11=
630÷7=
35×2=
2.4+0.9=
3.2÷100=
3-0.4-0.6=
1.96-0.51=
6-3.3=
24×5=
497×0÷7=
24×5= 20÷80= 47+63= 475-370=
120÷60= 16×0= 47×2= 36-36×0=
180+270= 72-40= 40×25= 12×6÷8=
①15×4=
②0.02×10=
③80×11=
④1+0.56=
⑤6÷100=
⑥0.84-0.42=
⑦1.234×1000=
⑧3.01-3=
5.3+ 3.6= 5- 0.4= 2.5×0.2= 6.4+ 4.6=
0.8×0.9= 2.7×100= 0.05×0.3= 24.3÷100=